This type of fume hood utilizes carbon or HEPA filtration to protect laboratory personnel from toxic chemical fumes, odors, and particles. Build a hood with an appropriately sized blower and add a scrubber to remove emissions in need of scrubbing, like NOx, or the Sulfur. The operating cost is significantly less for ductless units. Begin by unpacking the unit and removing the filter, exhaust fan and electrical housing cover. It is available in varying sizes from a worktop width of 48″ with a hood opening of 37. • Bright halogen lighting with a low-level option for nighttime. Help keep your lab employees safe with a ductless fume hood and fume hood filters and other accessories from Grainger. Labconco Protector Fume Hoods include the XStream, the most energy-efficient ducted fume hood design, as well as other high performance ducted fume hoods in our Premier and XL lines. Filter Price. 51 m/s). We have three types of fume extraction system: Ducted Fume Cupboard, Ductless Fume Hood, and Fume Extractor Arms. To protect lab operator, hazardous fumes, powders or vapors are collected through perforations on the work surface, clean, contaminant free air is returned into the laboratory space. Over time the filters require replacement and oftentimes these filters fail to contain all vapors, thus posing a significant hazard. Once you’ve got the materials precut and sized, the next step is to cut the edges. The air enters the hood through the sash. Obstructions such as pillars or columns in the laboratory should not be within 30 cm of the sides of the fume hood. Floor-mounted (walk-in) hoods from 48” to 144” wide and up to 96” deep. Products. The exhaust fan is typically stationed at the top of the building and pulls air through the duct work connected to the hood and exhausts it into the atmosphere. One of the questions we often encounter is, whether the choose a traditional ducted fume hood or go for the ductless hoods. The fume hood encloses a work bench area that has a fan unit at the top. Best Bang for the Buck. Esco’s research scientists and engineers, working in con-Purair® Basic ductless fume hoods are designed to provide high level performance features at an affordable price. Our ductless fume hoods are safe and convenient to use, and. Ductless Fume Hoods; Laminar Flow Hoods; PCR Laminar Flow Cabinets; Biological Safety Cabinets; Forensic Lab Equipment; Vented Storage Cabinets; Balanced Enclosures; Custom Enclosures; Downflow Workstations; Classroom Demonstration; Total Exhaust; Ceiling Filtration Units; Glove Bags; FILTERS. Broan-NuTone BCSQ130SS Three-Speed Glacier Under-Cabinet Range Hood with LED Lights. Carbon & HEPA filtered enclosures, also known as filtered fume hoods, are ductless laboratory enclosures that remove hazardous fumes, vapors and particles from the laboratory. The Lab Depot carries a variety of different Fume Hoods by several high-quality manufacturers. Without carbon filters, it is impossible to capture any molecule. Unlike traditional fume hoods there are no installation costs and no ductwork…. Install a remote switch away from the fan unit to allow quiet activation. This model is available in stainless steel, matte black, and matte white finishes, making it the best under-cabinet range hood to complement most kitchens. Step 2: Cutting The Edges. Explore Options. MOC: Working Body: Body made with Polypropylene Work Platform: Granite Stone. ” 36 48 22–50 watt1 The single EC blower motor assures lower cost of ownership in one of the world's most energy efficient ductless fume hoods. Most ducted fume hoods are low and have a vertical sliding sash. Ductless Fume Hoods Thermo Scientific™ Hyperclean TruAir™ ductless fume hoods are a series of high-efficiency products designed to protect the user and the environment from hazardous vapors generated on the work surface. Ascent™ Max Ductless Fume Hood with Secondary Backup HEPA Filter, 5ft/1. Next, cut two support beams to the overall length you decided on for the range hood (for me it was 16 inches). This type of fume hood is quickly becoming a viable alternative to conventional fume hoods due to its modern design, features, and convenience. Chemcap hoods are ductless with recirculatory filtration, they incorporate efficient ‘Chemcap’ carbon filters for fume removal and HEPA filters for particulates. A ducted fume hood might be the better choice if your lab handles a wide range of chemicals, especially those generating hazardous gasses. Next, cut a 3/4 inch thick piece of plywood to the overall width and length of the. also manufactures fume hoods that include a fan and filtration media (Ductless Fume Hood). Step 3: Drilling Holes. Ductless models filter the air releasing it back into the external room. Köttermann Pharmacy Fume Hood without Media. . The configurable filtering system above the enclosure can be adapted. 00. You also need to use your hood or exhaust fan regularly. 5m, with PP drip-cup provision: Accessories. Walk in fume hoods are the ideal way to eliminate fumes, toxins, and odors from being exposed into the environment while working with applications that are too large for benchtop solutions. An exhaust fan draws air into the front opening of the hood, then up and out of the hood through the ductwork. Myth 1: Ductless hoods only remove a small number of contaminants. It’s a. I talk about my homemade fume hood: the cost, type of materials, general design plan, and give a few tips. Fume Hoods protect laboratory staff from noxious fumes released by acids, dangerous gas, and organic solutions. METHOD fume hoods have certain defining features that set them apart from others. Ducted Fume Hoods. Our ductless fume hoods have built-in airflows across the workstation, exhausting out the contaminated air away from you and recycling them back as clean air. Reorder Filters;All areas where it has been determined that a fume hood is required and a ductless fume hood is desired. Unlike conventional fume hoods, ductless fume. This smoke absorber, the WSA350, is from the same Weller brand. Ductless Fume Hoods. The electrical and mechanical components are manufactured by leading global companies, such asFume hoods protect lab users by containing vapours, dusts, and gases generated within the hood. $5,988. It is not permitted to use ductless fume hoods or to circulate any laboratory fume hood exhaust air, as they do not provide sufficient protection and cannot handle extreme heating of chemicals. 99% at 0. A fume hood is a ventilated enclosure used to control exposure to hazardous or odorous chemicals. ; H 2 O at 100 FPM. Step 1: Install the Interior Damper. Item Code Model Code Description; Main Carbon Filters for 2 ft models: 5080003: CFA-11: Code. Is a fume hood the same. Pros and Cons. Protector ® ClassMate ® Hood. Ductless Fume Hoods (portable fume hood, ductless fume cabinet) provide protection to both laboratory personnel and the environment from toxic fumes and are quickly becoming a viable alternative to conventional fume hoods. The purpose of the fume hood is to contain contaminants and prevent their escape into the laboratory. All air that flows through these stand alone fume hoods will get recycled back into the laboratory space. its all about airflow! Not only do you HAVE to have it. Chemistry Fume Hoods can also help protect from other hazards such as chemical or thermal burns and chemical adsorption. True bag-in/bag-out allows for safe filter replacement and HEPA filter disposal system. Ductless Fume Hood. Total daily contaminant exposure per employee should not. This is a common comment. The. Ascent™ Opti. 00. Ductless Fume Hood is a viable alternative to conventional fume hoods. 125. Ductless Fume Hood. Sentry Air Systems’ OSHA compliant Portable Spray Booths are built with stringent quality control measures and superior craftsmanship. The Thermo Scientific Hyperclean TruAir fume hood product line features filtration technology that creates The Purair ® Basic ductless fume hoods are designed to provide high level performance features at an affordable price. Erlab ductless filtering chemical fume hoods provide the world’s most powerful filtration, guaranteeing safety and performance. Esco Ascent™ Opti Ductless Fume Cabinet is equipped with features previously found only on high-end ductless fume cabinets to protect your laboratory personnel from toxic chemical fumes. For additional information, please contact Sentry Air Systems, Inc. This makes the hood portable and. Name and Email are required. EHS and several professional safety and engineering organizations do not recommend the use of ductless fume hoods for several reasons. Functionality and durability in mind, our fume hoods are designed for the harshest laboratory environment today. Fisherbrand™ Walk-In Standard Chemical Fume Hoods are innovative and purpose driven products for the research and healthcare industries. Fume hoods should not be installed face to face or opposite a biological safety cabinet unless the distance between them is at least 9’ feet. Your Protector Laboratory Fume Hood is designed to protect you. Two types of carbon or one type of carbon and a HEPA filter may be stacked for mixed use. A Ductless fume hood also known as a portable fume hood, is great for use in existing buildings where the ductwork is inaccessible, where mobility is necessary or cost is an issue. Hi all, so I just picked up a good deal on a moderate airflow inline fan, and an activated carbon filter, with two uses in mind, one being for airbrushing laquers, and cleaning my equipment with solvents, but also for use as a ductless fume hood for basic chemistry stuff when it's too cold outside to move stuff out there, in this case, my main thought is performing distillations of acetone so. A ductless range hood. conducted for any ductless fume hood. The Captair Smart 321 ductless fume hood is designed to protect users during applications that emit harmful vapors/chemical particles. EHS and several professional safety and engineering organizations do not recommend the use of ductless fume hoods for several reasons. Filter blockage alarm. View Items to Compare. 41 CAD / Each. Either that or be prepared to constantly replace. The Multiplex combines a broad spectrum, general-purpose carbon filter with a HEPA/ULPA filter to capture drugs. Ductless fume hoods pass contaminated air through filters before returning air to the room. 00USD / Each. This hood comes standard as large as 16 feet wide x 43. All ductless fume hood replacement filters should be purchased from reputable manufacturers who comply with usage standards and other national/international guidelines for filter performance. Cosmo COS-5MU30 30-Inch Under-Cabinet Range Hood. The Protector XL. Unlike traditional fume hoods, they require no ducting so they can be moved from lab to. Use HVAC foil tape to hold everything together and make it airtight. It’s an ideal size for most stoves and easy on the wallet. . $ 3,384. With a reliable, durable sensor element, monitor provides simple field calibration. This type of fume hood utilizes carbon or HEPA filtration to protect laboratory personnel from toxic chemical fumes, odors, and particles. In ordinary times, keeping the work area and. ago You should be fine with any sort of airflow. Ductless designs use airflow and air velocity meters to ensure the hood provides air velocity suitable to the job, while maintaining a safe working environment. With a 400 CFM range hood, install 4” duct. Ductless Fume Hoods. Portable Fume Hood Portable fume hoods, also known as ductless fume hoods, are movable enclosures with a sash that filters hazardous vapors, particles, and fumes from the lab by use of carbon and/or HEPA filters which can be chemical specific. 32 oz Spray Bottle DOT Info: UN1760, Corrosive…. Generally lab hoods are designed to evacuate 100 CFM for every square foot of hood opening. 00. Once the air is drawn in, it moves through a filter called the pre-filter. There is a significant loss of warmth up via the ducts in traditional fume hoods. $3,567. Articulating arms are especially suitable for applications where small, flexible and easy-to-use articulating arms are required to eliminate particles, smoke, gases, and dust. Paramount Ductless Enclosures are self-contained work stations, also known as ductless fume hoods, that use carbon filters to rid the laboratory of annoying or unsafe concentrations of organic solvents, formaldehyde, acid gases, ammonia, or radioisotopes. The blower inside sucks in air from the room through the front opening, takes the gasses or fumes inside the box, and passes them through the filter, finally throwing the filtered air into the room again. The Captair Smart ductless fume hoods are specifically designed to safely protect users when handling chemicals or powders that pose an inhalation risk. Ductless fume hoods: Offering flexibility, efficiency, and exceptional air filtration capabilities; Floor-mounted fume hoods: Combine optimal ventilation with a spacious interior for your application; Special Application Fume Hoods: PVC and stainless steel hoods for use with perchloric acid, acid digestion, and radioisotopes. Ductless. Air inside the enclosures passes through carbon filters, and in some cases additional HEPA particulate filters, before being safely. Features. $517. Our Stainless Steel Fume Hoods utilize powerful air flow in a sturdy, compact enclosure to pull harmful particulates, fumes, and contaminants away from the operator and dispense the toxins into a high quality. we offer a laboratory fume extraction system for every application. They work best in labs with experienced and well-trained lab personnel and in labs where it is not possible to vent outdoors. com. The most common type of fume hood, bench top units are installed on top of lower base units and most typical cabinets (base cabinets). • Install as ducted or ductless recirculation to suit your needs. 4K subscribers Subscribe 23K views 10 years ago This is the first part in a series of. A sale on an electric leaf blower inspired a Saturday afternoon of hacking. Savings: $ 608. . SEE IT. 25″ x 30″. Best Seller in Lab Fume Hoods. Cole-Parmer® FHD-400 Advanced Ductless Fume Hoods with Filte…. Check out this diverse supply of fume hoods with and without filters for acid gases and particulates, as well as replacement and accessory items. Use of a "ductless fume hood" is strongly discouraged. Esco Ascent™ Opti (SPD) ductless fume hood offers excellent containment and ergonomic features at a great value. Benefits. Here are the best practices in maintaining fume hoods:1. TopAir Ductless Fume Hoods are made of high-quality non-corrosive polypropylene with excellent chemical resistance that regular metal hoods cannot compete with. All LabGuard fume hoods are type-tested for ASHRAE 110:2016 and EN 14175:2003 performance standards and. 6 m/s at proper sash height level. Cleatech Ductless Exhaust Fume Hood, 32″ Portable , Clear Polycarbonate. 00 $ 489. Lighted. A vapor adsorbing ductless fume hood is a self-contained enclosure that uses carbon molecular filters to trap toxic gases and odors from acids, organics, aldehydes, and amines. FLOW-48-A. 60″ Width Ducted Exhaust Hood , Static-Dissipative PVC Wall Construction , Polypropylene Spill Tray , Optional Blower Module. All internal system components are isolated from fumes, extending the lifespan. There are certain gases that filters will never clean. Figure 2: Intensive energy use for ducted fume hoods (US DOE, 2014) ii. Costs for a traditional fume hood set up include the hood, the remote blower, and the cost of continually exhausting air out of the laboratory while forcing make-up air in. Many units are portable and may be moved from one location to the next with minimal down-time and without filter changes. The configurable filtering system can be adapted to filter gases, solvents, powders and particulates keeping the user and the laboratory protected by safely and. Make sure the damper is facing the right direction. Ductless Fume Hoods and Enclosures . 5 sones sound level. Ductless Fume Hood. Introduction. Negative pressure flow pulls particulates away from the handler while drawing air into the work surface and through the Multiplex™ filter. By combining HEPA-filtered incoming air with a traditional ‘total exhaust’ hood configuration, clean turbulence-free air blankets the. Description. Size: W X D X H = [915 x 610 x 610] [1220 x 610 x 610] [1830 x 610 x 610] Any pedestrian routes or walkways should be at least 1. ตู้ดูดควันแบบมีท่อ (ducted fume hood) เป็นตู้ดูดควันที่มีการเชื่อต่อท่อระบายอากาศ (Exhaust Duct) ออกสู่ภายนอกอาคาร. volatile organic compounds, smelly chemicals). When deciding if you need a ductless fume hood. Note: Filters to be ordered separately. General Application Ductless Fume Hoods • Provides Operator Safety and Numerous Features for General Applications 24 “The World’s Most Extensive Selection of Ductless Fume Hoods. The fume hood is an important safety staple in chemistry classrooms and research labs. Rotary Evaporator Fume Control. Ductless fume hoods have no place in the reactions side of refining. • DFH filter assembly is easy to access, easy to change. Interesting and original video coming next weekend!. AscentTM Opti (SPD-_B) Ductless fume hood with transparent back wall ideal for classrooms and educational demonstrations Powdermax® Ductless fume hood with HEPA filter for powder weighing applications ForMax Ductless fume hood specialized as a formalin dispensing unit RotaMax Ductless fume hood designed to accommodate. Cole-Parmer® FHD-400 Advanced Ductless Fume Hoods with Filte…. Turn off the power to the range hood, then unscrew the wire nuts and disconnect the wires. 95″ x 29. By filtering the air, ductless fume. The ductless design removes the need for ductwork and make-up air in turn reducing installation cost and time. Because filtered air is returned to the room, no Ductless fume hood, sometimes called carbon-filtered enclosure or filtered fume hood, are self-contained, filtered laboratory enclosure that remove hazardous fumes, vapors and particles from the laboratory. 2. Contact now! Call us (800) 251-1505. Remove the motor housing from the vent by taking out the screws. 5) If fume hood appears to have failed certification due to mechanical deficiencies, immediatelyDuctless Fume Hood contains toxic chemical fumes and prevents chemical exposure to ensure the safety of both laboratory personnel and the environment. Is a fume hood the same. A ductless fume hood can eliminate very high percentages of particulates and biological hazards to protect lab workers and the lab environment. These enclosures serve as barriers against exposure that could be detrimental to tests or health. These enclosures are equipped with smart filtration technology that is specific to the type of chemicals handled. 00 - $8,995. A floor mount fume hood is typically a large stationary equipment enclosed on. Adanya fume hood mampu mengontrol paparan inhalasi dari bahan kimia atau zat yang berbahaya. A large variety of ducted fume hoods exist. Fume scrubbing is a different matter. Ductless fume hood, sometimes called carbon-filtered enclosure or filtered fume hood, are self-contained, filtered laboratory enclosure that remove hazardous fumes, vapors and particles from the laboratory. SEE IT. Our laboratory fume extractor is widely used in medical research laboratories, chemical. 0 m from the front of the fume hood. Those also comply with SEFA-1 standards. The fume hood was a simple build from inexpensive mat. The self-contained assembly maximizes filter. 2K views 6 years ago #EscoLifesciencesGroup. Constant volume (CV): where the quantity of air pulled through the hood is constant. Cole-Parmer Ductless Demonstration Hood Filters. Product Specs. Preparing the Fume Hood for WorkDucted Fume Hoods. The Protector Echo Filtered Fume Hood requires no ducting and is available in 4', 5', 6' and 8' widths. FREE delivery Nov 27 - 30 . Eight different selection of Nanocarb™ Carbon Filters, to cater to specific chemical groups. Window: A strategically placed front cover window shows the installed filter part number and installation date for convenience. Protects the operator from fume and particle hazards. FLOW-24-A. Proper maintenance of ductless fume hoods starts with a solid filter replacement schedule. This fume hood box design is perfect for adding more filters. 7 inches deep, or as small as 3 feet wide x 31. Has small graphics on the touchscreen that may be difficult for some to read. 5 m/s or 80-100 fpm. smoke, fume), while activated carbon is designed to better filter odors (i. Ductless fume. In METHOD, we do not believe. Ascent™ Max Ductless Fume Hood with Secondary Backup HEPA Filter, 5ft/1. The H14 Hepa filter which is the most efficient will stop 99,97% of the particles whith a diameter equal or bigger than 0,3 µm. 799. Ductless Technology: The Eco-Friendly Choice. Purchaser of a DFH can be a Project Manager, an Area Manager, a PI, a department administrator, or any. All HEMCO fume hoods are constructed of a highly corrosion resistant composite resin designed to outlast standard painted metal fume hoods. ”. Innovation in air purification, unmatched air quality. 46” Wide AirHawk Ductless Fume Hood Optimize your workspace with the technologically advanced features of the AirHawk. The Labconco Protector Premier Fume Hood has been engineered to provideDuctless Fume Hoods. Posted July 22, 2022 by sentryair. This compact-sized and simplified ductless fume hood is complete with internal lighting, worktop, and microprocessor control system. The hood is resistant to acid, alkali, and is anti-corrosive. conducted for any ductless fume hood. These type of fume hoods filter out chemical fumes and recycle air directly back to the laboratory. 12 microns (ULPA). Fume hood berfungsi sebagai tempat atau fasilitas yang diberikan untuk melakukan penelitian menggunakan bahan kimia khusus. 3. Proper maintenance of ductless fume hoods starts with a solid filter replacement schedule. The Protector XL. Best Overall. 1 Recirculates air from hood through carbon or chemically active adsorbent filter back into lab Not for use with toxic/highly toxic materials Modern ductless hoods have 2 levels of filters and break though alarmsHigh capacity air handling system delivers flow velocity of 0. 6 ft (800 mm) length Ductless Fume Hood, with AFNOR NFX 15-211 and SEFA 9 filtration efficiency standard (classes 1 and 2). 120 6th Street \ Fort Myers, FL 33907 T 239-489-0024 Toll Free 800-306-0656 F 800-306-0677 5 \ USER OPERATION MANUAL: Purair Basic Series I . In this type of fume hood, the air is treated within the unit using extensive filtering systems — typically incorporating some form of activated charcoal filtration. quickly becoming a viable alternative to conventional fume hoods. Review WorkSafeBC regulations regarding the use of ductless fume hoods 2. It has several advantages over duct fume hoods, such as a plug-and-play feature, mobility, hassle-free installation, and no lab work. See your. AirClean Systems ductless solutions incorporate advanced state-of-the-art microprocessor safety controllers and revolutionary gas phase bonded carbon filters. Esco Ascent™ Opti (SPD) ductless fume hood offers excellent containment and ergonomic features at a great value. Laminar Flow Cabinets. Flux is also commonly used in soldering. " The exhaust hood can either be ducted to the outside or a ductless fume hood that uses a carbon filter can be used. 725 cfm at 0. Ductless fume hoods pass contaminated air through filters before returning air to the room. Ducted hoods typically require a significant volume of airflow to work properly. Ductless fume hoods should only be utilized after a thorough risk assessment. 4609 • sales@sentryair. Diagram. These ductless containment hoods are available in 24″, 32″, 48″, 60″, 72. Height (Metric) 149. Protecting People and Processes. Add a ductless range hood for the best combo of focused and supplemental ventilation. She uses a polyester resin, which works a lot like fiberglass resin (mix the resin with a hardener/catalyst, pour), but unfortunately it smells about as bad too. The system has a MAX 375 CFM rating and a quiet 5. Dynaflow Ductless Fume Hood is a logical option because: Portability: The cupboard does not require connection to extraction systems. 38 products. EDU Ductless Classroom Demonstration Fume Hoods. It is completely molded of fire retardant fiberglass. Purair Basic ductless fume hoods are found in research laboratories, educational facilities, and forensic laboratories throughout the world and are designed to protect the user and the environment from hazardous vapors generated on. This attractive, portable and easy to maintain system is. When it comes to ductwork, it’s a numbers game. 4. Ductless Fume Hood. Animals and Pets Anime Art Cars and Motor Vehicles Crafts and DIY Culture,. 8. After passing through the pre-filter, the air continues onto the main filter. 00. The carbon filter is sized to fit the specified product model number and configured to optimize airflow across 100% of the filter surface area. Includes hood, fluorescent illuminator, blower module, two. 00. Finally, dangerous vapours are rejected in the atmosphere without danger to the environment. Remove vapors and contaminates with many available filters. Application Worksheet. Top Air Systems offers top-of-the-line ductless fume hoods that provide the needed protection from harmful and toxic chemicals. Once you’ve got the materials precut and sized, the next step is to cut the edges. For easier service, a minimum clearance of 50 cm is recommended. Web with filtered fume hoods, chemicals bind to the carbon in the filters and. With memory function in case of power-failure. Light duty enclosures for nuisance vapors, advanced hood systems for hazardous toxic fumes or highly specialized. Insert the interior damper into the back of the range hood. Topair’s Polypropylene Ductless Fume Hood – PRO with EN and ASHRAE certification provides a safe work environment for lab staff working with acids and harsh chemicals. DEFINITIONS. Diagram. Add to Compare. Aeromech make laboratory chemical fume hood is first and foremost a safety device. Typically used in locations where outside ventilation cannot suffice, a ductless fume hood is a necessity to eliminate high percentages of harmful contaminants to protect users. Warnings are included that manyDuctless Fume Hoods. The dangerous vapours are confined in the enclosure, then are cleaned while going through the active charcoal filter. Country of Origin: Made in India. Ductless Fume Hoods. Occupational Health and Safety • 2. The ductless fume hood is self-contained and does not require venting to the outside. Ductless fume cabinets provide additional safe ventilated space when you. Indoor/Outdoor. 3-0. 2. Also, the fume hood performance can be tested in LabGuard’s state of the art in-house fume hood test facility. View On Amazon View On Walmart View On Lowe's. A high capacity air handling system delivers face velocity of 100 fpm. Carbon & HEPA filtered enclosures, also known as filtered fume hoods, are ductless laboratory enclosures that remove hazardous fumes, vapors and particles from the laboratory. View All 8. The AirHawk ductless fume hood offers a centralized control panel with adjustable controls for light and fan speed and displays the air pressure and runtime information. 40” Stainless Ductless Fume Hoodconventional fume hoods. OSHA 29 CFR Part 1910. Filters are available for adsorbing or treating acid gases, solvents, ammonia, formaldehyde and radioisotopes. Fume containment and airflow uniformity meet the requirements of ASHRAE 110‐1995, BS 7258, EN 14175‐3 and. Filtered Fume Hoods. 3. Fume hoods are often the most used piece of equipment in research laboratories and frequently shared by lab personnel. Contaminated air passes through the scrubber’s water-washed contact media before being exhausted. Here I show how I built my home-made chemical fume hood for use in gold recovery from electronic scrap. Fume hood filters from Grainger can help protect lab personnel from dangerous airborne toxins. This is Labconco’s most flexible fume hood. Cole-Parmer® FHD-200 Series Standard Ductless Fume Hoods. ₹ 1,80,000/ Unit Get Latest Price. Ductless Enclosure . Labconco offers dished and flat solid epoxy and flat. The ductless hood’s scope of use is limited to the capacity and capability of the filtration system. Fume Hoods, such as Ductless Fume Hoods or Exhaust Hoods, provide the first layer of defense against harmful fumes and particulate created from experiments, demonstrations, or studies. Promotions are available. Aside from containing fumes, it may also function as a physical barrier against chemical spills, reactions, and fires. Height (Metric) 149. Used.