Ductless Fume Hood, 2' Purair 5, Extra Tall, Shallow

Ductless Fume Hood, 2' Purair 5, Extra Tall, Shallow

$2,855.00 $2,602.00
(You save $253.00)
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30 days
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Purair Basic Ductless Fume Hood, 24", Extra Tall, Shallow Footprint. Advanced carbon filtration technology offers a safe, high performance alternative to conventional ducted fume hoods for a broad range of applications. These fume hoods isolate and trap chemical vapors to prevent ecological impact through release into the environment. Each filtration system is selected for its specific application. The multiplex filter broadens the range of applications. Carbon filters are available in more than 14 configurations for use with vapors or organic solvents, acids, mercury and formaldehyde. HEP/ULPA filters can add to biological safety. This ductless fume hood is easy to install. It is self-contained and does not require venting to the outside. Many units are portable and may be moved from one location to the next with minimal downtime and without filter changes. Set-up, operation and filter maintenance are straightforward. Energy efficient: because filtered air is returned to the room, no demands are required of the facility HVAC capacity for make-up air. They're also cost effective and safe: facility ductwork, HVAC and construction costs are eliminated. Cabinet airflow and face velocity protect users from incidental exposures to fumes.

Order filters separately. Requires one main filter. This product exceeds OSHA, ANSI and other international standards. Purair® Basic 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. At the heart of the Purair fume hood product line is the innovative Air Science Multiplex? Filtration Technology that creates a safe work environment over the widest range of applications in the industry. Download the Purair® Basic Series PDF Brochure

Purair® P5-24, shown with optional mobile cart AS-P5-CART.


A. Filter I.D. Window: A strategically placed front cover window shows the installed filter part number and installation date for convenience and to encourage timely filter replacement.
B. Air Velometer:
(Optional) An analog air velocity meter in the field of vision of the user.
C. Hinged Front Sash:
When closed, the cabinet sash protects the contents from inadvertent external contact, and better isolates the air within. The sash is easy to open and close.
D. Control Panel:
Electronic controls and displays include switches for the blower and low airflow alarm.
E. Steel Support Frame: The chemical resistant epoxy coated steel frame adds mechanical strength. Optional all polypropylene construction is available if desired; see Accessories.
F. Electrostatic Pre-Filter: The 99.5% effective electrostatic pre-filter is accessible from inside the chamber to contain the release of any particulates that it traps. The pre-filter can be changed while the unit is operating to prevent operator exposure to chemical vapors.
G. Pass Through Ports: Electrical cords and cables are safely routed into the cabinet through ports on the back and side walls.
H. Color:
The cabinet is white with blue trim; side and back panels are clear.
I. Airflow Alarm:
A continuous air velocity monitoring system alerts the operator upon unacceptable values.
J. Internal Manual Speed Controller:
Authorized personnel may set the centrifugal fan motor speed as desired.
K. Stand: Optional mobile cart with locking casters.
L. Work Surface: The internal work surface can be fitted with an optional polypropylene tray; see Accessories.
M. Filter Door Key:
Filter access keys prevent unauthorized removal or accidental exposure to dirty filters.


  • 360 Degree Visibility: Clear back and side panels allow ambient illumination into the chamber and provide users with an unobstructed view of its contents.
  • Standards Compliant: Performance specifications and construction meet or exceed OSHA, ANSI and relevant international standards to assure operator safety.
  • Construction: All models are available in either metal or polypropylene construction. See selection chart for specifications and dimensions. Specify metal or polypropylene when ordering. Available in 110V, 60Hz or 220V, 50Hz models.
  • Steel Support Frame: The chemical resistant epoxy coated steel frame adds mechanical strength. Optional all polypropylene construction is available if desired.

Purair Ductless Fume Hood Purair® P5-36, shown with Multiple x Filtration System.

The Purair® Basic Series ductless fume hood maintains a constant face velocity of 100FPM in compliance with USA and international standards for safety and performance. Contaminated air is pulled through the Multiple x filtration system where activated carbon adsorbs chemical vapors and/or particulates if HEPA/ULPA filters are used. Clean air is returned to the room.

The main filter is easy to replace, no tools required. The filter clamps tightly against the filter gasket to prevent filter bypass and maintain filter integrity.

Each Air Science® fume hood includes features expressed through sound design and certified quality construction. Options and accessories add functional performance to meet specific applications.

  • Professional Quality. Air Science® fume hoods comply with current technical and safety regulations.
  • Multiple x Filtration. The Air Science® Multiplex? Filter offers a range of options for high performance.
  • Industrial Components. The cabinet frame and work surfaces are durable and chemically resistant.
  • Reliability. Internal systems are isolated from fumes, extending product life.


Purair® Basic products are available in 3 standard sizes, each with 4 configuration options and metal or polypropylene construction, totaling 24 standard models.

  • High capacity air handling system delivers face velocity of 100 fpm.
  • A low airflow alarm warns of insufficient face velocity.
  • The Air Science® filter assembly is easy to access, easy to change.
  • A unique filter clamping design eliminates bypass leakage outside the cabinet.
  • Accessories include an optional filter saturation alarm.

Extended Information

Standard Models

Model Internal H External (W x D x H) Shipping (W x D x H) Wt Lb Ship Wt
AS-P5-24-XTS 23.6" 600 mm 24" x 24" x 35" 610 x 610 x 889 mm 40" x 40" x 40" 1016 x 1016 x 1016 mm 72 / 33 129 / 59

Product Specifications

Purair Model AS-P5-24 AS-P5-24XT AS-P5-36 AS-P5-36XT AS-P5-48 AS-P5-48XT
AS-P5-24S AS-P5-24XTS AS-P5-36S AS-P5-36XTS AS-P5-48S AS-P5-48XTS
Airflow CFM 135.9 206 281.25
Face Velocity FPM 100 100 100
Noise, dBA, 1 meter <50 <50 <53
Lighting Compact fluorescent lamp
Construction White epoxy coated steel frame and head unit. Clear sides and back panel
Blower ebmpapst centrifugal fan
Electrical 120V, 60Hz or 220V, 50Hz voltages available. Specify when ordering. Other voltage options available
Electrical Switches Main On/Off
Monitoring Low airflow alarm, standard

Filter Specifications

Pre-Filter Electrostatic, 1 lbs/ .45 kg (nominal)
Main (1) 11 lbs / 5 kg (1) 11 lbs / 5 kg (2) 11 lbs / 5 kg

Options & Accessories

Purair Model   AS-P5-24
Advanced Control Panel* Includes on/off switch, low airflow alarm, and hour meter to aid in determining available filter life. Panel also comes equipped with a Filter Saturation Alarm with an electronic gas sensor that emits audio and visual alerts when the main filter needs to be changed. ADV-P ADV-P ADV-P
Spill Tray Polypropylene spillage tray, available in white or black, slides out for easy cleaning. TRAY-P5
Dwyer Air Flow Meter Continuous display of face velocity. DWYER DWYER DWYER
Base Stand, Mobile, with Casters Provides a lower storage shelf; accommodates wheelchair access. Locking casters fi x the hood in place. AS-P5-CART P15-CART P20-CART
Base Cabinet, Fixed Provides storage space below and a cup sink, swan neck faucet, and service fixtures. AS-P5-ENCB P15-ENCB P20-ENCB
ADA Compliance* Provides wheelchair access and lowered remote controls. All Purair Basic models are available in ADA compliant configurations. Contact Air Science for ordering information.
Polypropylene Construction* Cabinets are available in all polypropylene construction. AS-P5-24-PP
Duple x Electrical Outlet* Two NEMA-1420R receptacles with ground fault interrupter. 110V service standard; international fixtures available. AS-GFI AS-GFI AS-GFI
Service Valve* Cabinets can be fitted with service fixtures such as petcocks, faucets or valves. SF-X. Specify service fitting type (faucet, valve, petcock) and location when ordering.
Stainless Steel Hanging Rod* Hanging rod spans the width of the cabinet. HANGR-P5-24 HANGR-P5-36 HANGR-P5-48
Cup Sink, Mounts into Tray* Cup sink is fitted into the base tray. SINK SINK SINK
UV lamp** A UV lamp is available for overnight Decontamination of interior surfaces. The UV kit includes a timer, door micro switch fully closing front sash, and UV filtering clear polycarbonate panels. The UV operation must comply with local codes and facility safety. AS-UV-P5 AS-UV-P15 AS-UV-P20

* Factory installed; specify when ordering. ** Includes timer, door micro switch and fully closing front sash, all clear panels polycarbonate (UV filtering). Safety precautions need to be followed. Filter Summary

Formula Description
GP Plus The most widely used filter in the range, primarily for solvent, organic, and alcohol removal.
ACI Plus Neutralizes volatile inorganic acid vapors.
ACR Iodine and methyl iodide vapors. It is frequently used for iodination reactions with low level radioactive iodine.
ACM Mercury vapor.
AMM Removes vapors from dilute ammonia solutions and to remove low molecular weight amines.
SUL Designed to remove hydrogen sulphide and low molecular weight mercaptans.
CYN Removal of hydrogen cyanide. Many cyanide compounds will evolve HCN gas if acidified, so this filter is normally specified if working with any cyanide compound.
FOR Designed to oxidize formaldehyde and glutaraldehyde fumes. It is widely used in hospital pathology laboratories.
ETH Diethyl ether is adsorbed on activated carbon, but because of its low boiling point, local heat adsorption can reduce the capacity of the filter. Special impregnation allows a chemical reaction which increases the filter capacity.
HEPA / ULPA Powders and particulates.

Standards & Compliance

Quality Management Systems ISO 9001
Chemical Fume Containment ANSI/ASHRAE 110 1995
Carbon Filter Efficiency BS 7989-2001 AFNOR NF x 15-211
Biological Safety Filter Efficiency HEPA and ULPA IEST-RP-CC-0034.2 IEST-RP-CC007.1 IEST-RP-CC001-4 EN 1822
Electrical Safety UL-C-61010-1 CE Mark ROHS Exempt under EEE Category 9
Product Design ANSI Z 9.5-2003 ANSI Z 9.7-1998
OSHA, Occupational Safety and Health Administration OSHA Standard -29 CRF, Safety and Health Regulations for General Industry, 1910.1450; Occupational exposure to hazardous chemicals in laboratories. Part B, definition, laboratory type hood. All Air Science products meet this definition.
Environment ISO 14001 Energy Star Partner

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