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The 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.

 

Purair® Basic Series (pdf download)

 

 

 

 

 

 

 

 

 

 

 

 

 

DUCTLESS TECHNOLOGY: The Eco-friendly Choice

Advanced carbon filtration technology offers a safe, high performance alternative to conventional ducted fume hoods for a broad range of applications.

• Environmental Benefits. Air Science® ductless fume hoods isolate and trap chemical vapors to prevent ecological impact through release into the environment.
• Versatile. 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. HEPA/ULPA fi lters can add to biological safety.
• Easy to Install. The ductless fume hood 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.
• Cost Effective. Facility ductwork, HVAC and construction costs are eliminated.
• Safe to Use. Cabinet airflow and face velocity protect users from incidental exposures to fumes.
• Self testing. (selected models) Electronic air-flow monitoring assures continuous safety. An electronic gas sensor monitors carbon filter performance.

 

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 specifi cations 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 specifi cations 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.

 

 

 

 

 

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.
• Multiplex 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.

 

• 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.

 

 

 

Model	Dimensions			Weight (lbs/Kg)
	Internal Height	External (W x D x H)	Shipping (W x D x H)	Net	Ship

 

P5-24	19" 484 mm	24" x 27" x 31" 610 x 676 x 781 mm	40" x 40" x 40" 1016 x 1016 x 1016 mm	68 / 31	125 / 57
P5-36	19" 484 mm	36" x 27" x 31" 914 x 676 x 781 mm	40" x 40" x 40" 1016 x 1016 x 1016 mm	95 / 43	152 / 69
P5-48	19" 484 mm	48" x 27" x 31" 1219 x 676 x 781 mm	45" x 55" x 40" 1143 x 1397 x 1016 mm	133 / 60	190 / 86

 

Models with Straight Legs (Reduced Depth)

P5-24S	19" 484 mm	24" x 24" x 31" 610 x 610 x 781 mm	40" x 40" x 40" 1016 x 1016 x 1016 mm	65 / 29	110 / 50
P5-36S	19" 484 mm	36" x 24" x 31" 914 x 610 x 781 mm	40" x 40" x 40" 1016 x 1016 x 1016 mm	92 / 42	142 / 64
P5-48S	19" 484 mm	48" x 24" x 31" 1219 x 610 x 781 mm	45" x 55" x 40" 1143 x 1397 x 1016 mm	130 / 59	187 / 85

 

P5-24-XT	23.6" 600 mm	24" x 27" x 35" 610 x 676 x 889 mm	40" x 40" x 40" 1016 x 1016 x 1016 mm	72 / 33	129 / 59
P5-36-XT	23.6" 600 mm	36" x 27" x 35" 914 x 676 x 889 mm	40" x 40" x 40" 1016 x 1016 x 1016 mm	99 / 45	157 / 71
P5-48-XT	23.6" 600 mm	48" x 27" x 35" 1219 x 676 x 889 mm	45" x 55" x 40" 1143 x 1397 x 1016 mm	138 / 63	195 / 88

 

Models with Extra Tall Straight Legs (Reduced Depth)

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
P5-36-XTS	23.6" 600 mm	36" x 24" x 35" 914 x 610 x 889 mm	40" x 40" x 40" 1016 x 1016 x 1016 mm	99 / 45	157 / 71
P5-48-XTS	23.6" 600 mm	48" x 24" x 35" 1219 x 610 x 889 mm	45" x 55" x 40" 1143 x 1397 x 1016 mm	138 / 63	195 / 88

 

 

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Purair® Model	P5-24	P5-24XT	P5-36	P5-36XT	P5-48	P5-48XT
	P5-24S	P5-24XTS	P5-36S	P5-36XTS	P5-48S	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

 

 

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Purair® Model		P5-24 P5-24S P5-24-XT P5-24-XTS	P5-36 P5-36S P5-36-XT P5-36-XTS	P5-48 P5-48S P5-48-XT P5-48-XTS
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 TRAY-P5-S TRAY-P5 TRAY-P5-S	TRAY-P5-36 TRAY-P5-36-S TRAY-P5-36 TRAY-P5-36-S	TRAY-P5-48 TRAY-P5-48-S TRAY-P5-48 TRAY-P5-48-S
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 fix the hood in place.	P5-CART	P15-CART	P20-CART
Base Cabinet, Fixed	Provides storage space below and a cup sink, swan neck faucet, and service fixtures.	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. Contact Air Science® for information.	P5-24-PP P5-24S-PP P5-24-XT-PP P5-24-XTS-PP	P5-24-PP P5-24S-PP P5-24-XT-PP P5-24-XTS-PP	P5-24-PP P5-24S-PP P5-24-XT-PP P5-24-XTS-PP
Duplex 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 microswitch fully closing front sash, and UV filtering clear polycarbonate panels. The UV operation must comply with local codes and facility safety.	UV-P5	UV-P15	UV-P20