Fume hoods are equipments that are used to ensure safety for the user who works with these equipments as they won’t be exposed to too many hazardous and dangerous fumes. This can be mainly done by keeping the air inside the fume hood, which can be away from the user who is conducting experiments. Weiber is counted amongst the leading manufacturers/distributors/suppliers/ developers/exporters/engineers/service providers of microprocessor based laboratory testing fume hoods in India for both laboratory and industrial application. A propylene fume hood is used to handle toxins and hazardous chemical fumes and effluents. Weiber advanced fume hood design offers unmatched prices, specifications and usages for biotechnology and other laboratories. Weiber specializes in both standard and customized chemical fume hoods. Construction Details Fume hoods are developed and designed to be used as semi conductor ventilated enclosures so as to protect the user from harmful and toxic fumes and vapors and to eliminate the possibility of accidental fire which may lead to emission of inflammable gases during the course of experiments. Hence, the materials of fume hoods are carefully chosen between industrial grades fire resistant commercial wooden boards covered with laminated sheets and lined completely with epoxy coating/FRP lining or corrosion resistant steel sheets having epoxy coating from inside, duly painted with attractive stove enamel/drying spray paint. The work table is made of heavy gauge construction material fortified with acid proof glazed tiles/stainless steel grade ss-304 grade. The work bench is provided with a small made of stainless steel ss-304 grade. All modular fume hoods are provided with sliding sash made of special grade shatter proof glass duly framed in wooden/ aluminum frame with sliding motion and counter weight balanced mechanism. Volume of Exhaust It is generally known that fume hoods are capable of maintaining a constant exhaust volume. Testing Procedures of Containment Fume hoods are specifically to decrease the loss of static pressure at a given baffle opening position. According to the standard procedures the average loss of static pressure at any given four points at ninety degree and 3 duct dia from the fume hood, that will not exceed 75 feet per minute at 0.25 inch, with full slash opening and face velocity of 100 feet per minute. Noise and Sound Levels Our stainless steel fume hoods are designed with lower noise levels and the performance of these fume hoods are comparatively better than the industry standards of 60db, and approximately 15cm distance from the sash. Illumination Levels at Work Space Our automatic fume hoods make sure that a maximum of 800 lux light is available on the work table through diffuser fluorescent light arrangement. Exhaust Assembly These fume hoods are incorporated with an extremely durable and strong exhaust system that generally persists a range of 500-1250 CM. These exhaust assembly comprises of balanced centrifugal impellers that are combined with a heavy duty three phase motor of Crompton greaves. Exhaust Ducting These fume hoods are also integrated with a FRP ducting of required dimension as per the requirements of the user. Features Ergonomic design Low noise levels energy efficient mechanism Conforms to ASHRAE-110-1995 CE marked and NABL & NSF certified Floor standing & epoxy coated

Fume hood table top are specifically used for safe handling of chemical fumes. These equipments are best suited for clean rooms, food processing areas and are used in several research and development organizations, medical laboratories or for industrial applications. Weiber is counted amongst the leading manufacturers/distributors/suppliers/ developers/ exporters/ engineers/service providers of epoxy coated advanced Lab fume hoods in India for both laboratory and industrial application. Weiber modular fume hood design offers unmatched prices, specifications and usages for various laboratories. The Canopy Fume Hood, designed to vent non-toxic materials from large or bulky apparatus such as autoclaves, wall-mounted or suspended from the ceiling, built-in baffle to increase air velocities and enhance its overall capture efficiency and glacier white epoxy-coated steel construction. Product Overview Table top fume hood are specifically designed to provide work area which is free from all the potentially hazardous fumes or chemical effluents that may be emitted during the experiment. These are effectively used in student workshops, dental labs, microscope station, micro chemistry, micro biology and many more. Construction Table top fume hood have double wall construction consisting of on outer shell of steel sheet and an inner liner of corrosion resistant metal. The exterior sides of these panels are constructed of 18 gauge steel and shall be removable for the accesses of interior housing. Hence, the materials of these panels are carefully chosen. All these mild steel and custom made table top fume hoods are provided with sliding sash made out of special grade shatter proof glass duly framed in wooden or aluminum frame motion and counter weight based mechanism. The unit is even equipped with diligent heavy exhaust system, which comprises of dynamically balanced centrifugal impeller with high speed motor of approx 1440 RPM. Air Velocity Table top fume hoods ensures that the optimum face velocity of 80 feet- 100 feet, per minute is maintained with an accuracy of +10 feet/minute with the sash in complete open position. Volume of Exhaust Fume hood table tops are extremely capable of maintaining a constant exhaust volume. The maximum variation permissible due to baffle adjustment, in our house test procedure is 6%of the given volume of exhaust. Noise levels These microprocessor based equipments are extremely eco friendly, so there noise levels are extremely low. The performance of these fume hoods are rated better than other industry standards. Testing Procedures of Contaminants Fume hoods are specifically installed to decrease the loss of static pressure at a given baffle opening position. According to the standard procedures the average loss of static pressure at any given four points at ninety degree and 3 duct dia from the fume hood, that will not exceed 75 feet per minute at 0.25 inch, with full slash opening and face velocity of 100 feet per minute. Features Ergonomic design Light in weight Low noise levels Energy efficient Flawless performance Resistant degradation Automatic & Floor standing NABL certified and CE marked Portable & mobile

Weiber Laboratory fume hoods are widely used for removing smoke, fumes, mist, and fine powder. Mobile fume hood extractor is primarily designed for various pharmaceutical laboratories, various research and development industries and light duty industry. These CE marked equipments are extremely durable, reliable and easy to operate. Weiber is counted amongst the leading manufacturers and supplier of mobile welding fume extraction system in India. A propylene fume hood is used to handle toxins and hazardous chemical fumes and effluents. Weiber offers unmatched prices, specifications and usage of mobile fume extractor. Mobile Fume hood extractor are developed and designed to be used as semi conductor ventilated enclosures so as to protect the user from harmful and toxic fumes and vapors and to eliminate the possibility of accidental fire which may lead to emission of inflammable gases during the course of experiments. Hence, the materials of fume hoods are carefully chosen between industrial grades fire resistant commercial wooden boards covered with laminated sheets and lined completely with epoxy coating/FRP lining or corrosion resistant steel sheets having epoxy coating from inside, duly painted with attractive stove enamel/drying spray paint. The work table is made of heavy gauge construction material fortified with acid proof glazed tiles/stainless steel grade ss-304 grade. The custom made work bench is provided with a small made of stainless steel ss-304 grade. All microprocessor based stainless steel fume hoods are provided with sliding sash made of special grade shatter proof glass duly framed in wooden/ aluminum frame with sliding motion and counter weight balanced mechanism. Testing Procedures of contaminants Mobile Fume hoods are specifically to decrease the loss of static pressure at a given baffle opening position. According to the standard procedures the average loss of static pressure at any given four points at ninety degree and 3 duct dia from the fume hood, that will not exceed 75 feet per minute at 0.25 inch, with full slash opening and face velocity of 100 feet per minute. Noise and Sound Levels Our versatile mobile fume hoods are designed with lower noise levels and the performance of these fume hoods are comparatively better than the industry standards of 60db, and approximately 15cm distance from the sash. Volume of Exhaust It is generally known that epoxy coated fume hoods are capable of maintaining a constant exhaust volume. Illumination Levels at Work Space Our mobile fume hoods make sure that a maximum of 800 lux light is available on the work table through diffuser fluorescent light arrangement. Exhaust Assembly These energy efficient mobile fume hoods are incorporated with an extremely durable and strong exhaust system that generally persists a range of 500-1250 CM. These exhaust assembly comprises of balanced centrifugal impellers that are combined with a heavy duty three phase motor of Crompton greaves. Exhaust Ducting These versatile mobile fume hoods are also integrated with a FRP ducting of required dimension as per the requirements of the user. Features Portable FRP lining & PP construction Non glare, switchable from outside Visible from all sides Fully hinged airfoil for easy removal of work top Technical Specifications : Cabinet Construction 16 Ga. welded CRS steel Casters Two large 8" diameter semi-pneumatic (front) wheels and two heavy duty swivel casters (back) Controls All models include control circuitry and thermal protection. Filter Access Hinged side door Filter Cleaning Self-Cleaning Reverse Pulse Jet System which utilizes a one inch diaphragm valve. Requires 80-120 psi of shop supplied compressed air. 1/4" NPT female fitting is provided to accept field installed quick connect. Filter Gage Dirty filter gage indicates pressure up to 10" H 2O Filtration Two high efficiency cartridge filters: 12 3/4" diameter x 22" 382 sq. ft. total, 99.8% efficient at .5 micron Finish Durable powder coat paint Noise Level 73 dBa at 6' Power 120V/60 hz/14 amp running or 208-240V/60 hz/8 amp running. Ten-foot power cord with molded plug standard on single phase models, 3 phases models available at no extra charge.

Duct less fume hoods provide protection to both laboratory personnel and the environment from toxic fumes. Ductless fume hoods are considered as independent systems that do not require connection to the extraction systems. Ducted laboratory fume hood from Weiber protect the operator from toxins via a revolutionary gas phase bonded-carbon filter. These polypropylene microprocessor based-hoods filter out chemical fumes and recycle air directly back to the laboratory, providing energy savings, personnel and environmental protection, without ducted system offering independent working. It is either ceiling suspended or mounted on wall. Weiber specializes in both standard and customized fume hoods. Construction Details Fume hood duct less are developed and designed to be used as semi conductor ventilated enclosures so as to protect the user from harmful and toxic fumes and vapors and to eliminate the possibility of accidental fire which may lead to emission of inflammable gases during the course of experiments. Hence, the materials of fume hoods are carefully chosen between industrial grades fire resistant commercial wooden boards covered with laminated sheets and lined completely with epoxy coating/FRP lining or corrosion resistant steel sheets having epoxy coating from inside, duly painted with attractive stove enamel/drying spray paint. The work table is made of heavy gauge construction material fortified with acid proof glazed tiles/stainless steel grade ss-304 grade. The work bench is provided with a small made of stainless steel ss-304 grade. All fume hoods are provided with sliding sash made of special grade shatter proof glass duly framed in wooden/ aluminum frame with sliding motion and counter weight balanced mechanism. Volume of Exhaust It is generally known that fume hoods are capable of maintaining a constant exhaust volume. Testing Procedures of Contaminants Ductless Fume hoods are specifically to decrease the loss of static pressure at a given baffle opening position. According to the standard procedures the average loss of static pressure at any given four points at ninety degree and 3 duct dia from the fume hood, that will not exceed 75 feet per minute at 0.25 inch, with full slash opening and face velocity of 100 feet per minute. Noise and Sound Levels Our stainless steel ducts less fume hoods are designed with lower noise levels and the performance of these fume hoods are comparatively better than the industry standards of 60db, and approximately 15cm distance from the sash. Illumination Levels at Work Space Our versatile fume hoods make sure that a maximum of 800 lux light is available on the work table through diffuser fluorescent light arrangement. Exhaust Assembly These modular and automatic ductless fume hoods are incorporated with an extremely durable and strong exhaust system that generally persists a range of 500-1250 CM. These exhaust assembly comprises of balanced centrifugal impellers that are combined with a heavy duty three phase motor of Crompton greaves. Exhaust Ducting These advanced and mobile ductless fume hoods are also integrated with a FRP ducting of required dimension as per the requirements of the user. Features Portable Activated charcoal filters Toxic fumes detector Chemical resistant Durable Reliable NABL & NSF certified CE marked Technical Matrix: Fume Hood Constructions Industrial grade mica clad wooden board/ steel Table Stainless steel sheet table of ss-304 grade/ fortified acid proof glazed tiles Sink Stainless steel sink with tap Coating Epoxy coating/ FRP lined Air flow Unidirectional Air flow control Three step air flow speed controller Blower assembly Centrifugal lubricated bearing type ISI marked assembly Illumination Fluorescent light illumination greater than 800 lux on work table. Noise level Noise level less than 60 db Power requirements 500 watts -750 watts( model specific) Internal work space 4’x 2’x2’/5’x 21/2x 21/2 x 6x 3’x 3’ (length x depth x height) Nominal voltage 220- 230 volts, 50Hz single phase Frequency 50 Model no Dimension (length x depth x height) Acm- Cafh-1200 4’ x 2’ x 2’ Acm -Cafh-1503 5’ x 21/2 x 21/2 Acm - Cafh 1803 6’ x 3’ x 3’

Fume hood wet process are specially designed for the use in semi conductor research and manufacturing where tanks, rinsers, heated baths require control modules. These equipments work with a lower exhaust blower to provide a means of removal of toxic fumes and odors. These portable equipments have a wide range of applications in several research and development organizations, medical laboratories, or for industrial applications. Weiber Exhaust Walkin Fume Hood with stainless steel construction offers protection to both laboratory personnel and the environment from toxic fumes. These polypropylene Wet Process Station from Weiber manufactures both standard and customized microprocessor based Floor standing equipments. The fume hoods with PP construction are FRP lined and epoxy coated. Construction Details Fume hood wet process are developed and designed to be used as semi conductor ventilated enclosures so as to protect the user from harmful and toxic fumes and vapors and to eliminate the possibility of accidental fire which may lead to emission of inflammable gases during the course of experiments. Hence, the materials of fume hoods are carefully chosen between industrial grades fire resistant commercial wooden boards covered with laminated sheets and lined completely with epoxy coating/FRP lining or corrosion resistant steel sheets having epoxy coating from inside, duly painted with attractive stove enamel/drying spray paint. The work table is made of heavy gauge construction material fortified with acid proof glazed tiles/stainless steel grade ss-304 grade. The work bench is provided with a small made of stainless steel ss-304 grade. All fume hoods are provided with sliding sash made of special grade shatter proof glass duly framed in wooden/ aluminum frame with sliding motion and counter weight balanced mechanism. Volume of Exhaust It is generally known that fume hoods are capable of maintaining a constant exhaust volume. Testing Procedures of Contaminants Fume hoods wet process are specifically to decrease the loss of static pressure at a given baffle opening position. According to the standard procedures the average loss of static pressure at any given four points at ninety degree and 3 duct dia from the fume hood, that will not exceed 75 feet per minute at 0.25 inch, with full slash opening and face velocity of 100 feet per minute. Noise And Sound Levels Our advanced and mobile fume hoods wet process is designed with lower noise levels and the performance of these fume hoods are comparatively better than the industry standards of 60db, and approximately 15cm distance from the sash. Illumination Levels at Work Space Our modular fume hoods wet process makes sure that a maximum of 800 lux light is available on the work table through diffuser fluorescent light arrangement. Exhaust Assembly These fume hoods wet process are incorporated with an extremely durable and strong exhaust system that generally persists a range of 500-1250 CM. These exhaust assembly comprises of balanced centrifugal impellers that are combined with a heavy duty three phase motor of Crompton greaves. Exhaust Ducting These fume hoods wet process are also integrated with a FRP ducting of required dimension as per the requirements of the user. Features Portable Solid reinforced table top with a comfort edge Reliable durable Energy efficient NABL certified & CE marked NSF certified Technical Matrix: Constructions Industrial grade mica clad wooden board/ steel Table Stainless steel sheet table of ss-304 grade/ fortified acid proof glazed tiles Sink Stainless steel sink with tap Coating Epoxy coating/ FRP lined Air flow Unidirectional Air flow control Three step air flow speed controller Blower assembly Centrifugal lubricated bearing type ISI marked assembly Illumination Fluorescent light illumination greater than 800 lux on work table. Noise level Noise level less than 60 db Power requirements 500 watts -750 watts( model specific) Internal work space 4’x 2’x2’/5’x 21/2x 21/2 x 6x 3’x 3’ (length x depth x height) Nominal voltage 220- 230 volts, 50Hz single phase Frequency 50 Model no Dimension (length x depth x height) Acm- Cafh-1200 4’ x 2’ x 2’ Acm -Cafh-1503 5’ x 21/2 x 21/2 Acm - Cafh 1803 6’ x 3’ x 3’