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Purair Advanced Ductless Fume Hoods

Purair Advanced ductless hood

The Purair® Advanced Series 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 ductless 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.

USP 800 Compliant
basic ductless fume hoods Also see:
Purair Basic Ductless Fume Hoods



Purair Advanced Features & Benefits

Purair Advanced ductless fume hood brochure
Purair Advanced ductless fume hoods and chemical processing workstations are available in 21 standard sizes, in metal or polypropylene construction, totaling 42 standard models.
  • Purair Advanced ducless fume hoods product line is available in seven standard sizes.
  • High capacity air handling system delivers face velocity of 100 fpm.
  • A low airflow alarm warns of insufficient face velocity.
  • SafeSwitch™ Filter Shutter System (optional) for safer bag-out filter exchange.
  • A unique filter clamping design eliminates bypass leakage outside the cabinet.
  • Accessories include an optional filter saturation alarm and optional back-up filter.


Product Features:

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: An analog air velocity meter in the field of vision of the user provides independent backup to the electronic airflow alarm.
C. Double Hinged Self Locking Front Sash: When closed, the cabinet sash protects the operator with 100 FPM airflow. The sash is easy to open and latch.
D. Control Panel: Electronic controls and displays include switches for the blower and lights, an electronic hour counter and low airflow alarm, all located on a convenient front surface panel.
E. Steel Support Frame: The chemical resistant epoxy coated steel frame adds mechanical strength. Optional all polypropylene construction is available if desired. The pre-filter can be changed while the unit is operating to prevent operator exposure to chemical vapors.
F. Electrostatic Pre-Filter: Protects the main filters from aerosols, mists, dust and particulates with filter efficiency superior to 95.5% down to 0.5 microns.
purair advanced ductless fumehood
Purair 10XL, shown with optional mobile cart.

G. Pass Through Ports: Electrical cords and cables are safely routed into the cabinet through ports on the back and side walls
H. Air Sampling Port: A filtered air sampling port allows manual filter monitoring.
I. Color: The cabinet is white; side and back panels are clear.
J. Airflow Alarm: A continuous air velocity monitoring system alerts the operator upon unacceptable values.
K. Manual Speed Controller: The operator may set the centrifugal fan motor speed as desired.
L. Dynamic Filtration Chamber: The dynamic filter chamber prevents any possible leakage of contaminated air by pressurizing the fan plenum (positive air) and depressurizing the filter compartment (negative air).
M. Stand: Optional mobile cart with locking casters.
N. Safety Filter: The optional activated carbon filter or HEPA/ULPA safety filter adds an additional layer of protection.
O. Work Surface: The internal work surface is polypropylene (standard). An optional stainless steel spill tray can be added; see Accessories.
P. Filter Door Key: Filter access keys prevent unauthorized removal or accidental exposure to dirty filters.
Q. Track & Wheel System: The filter glides in on a wheel and track system, then clamps tightly against the filter gasket to prevent filter tears and maintain filter integrity.
R. SafeSwitch Filter Shutter System (Optional): unique filter shutter system closes the exposed filter media face and minimizes exposure to the contaminated filters, protecting the operator and the environment.

Other Features:

purair advanced ductless fumehood
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 /60 Hz models.

SafeSwitch Bag-out Filter Replacement: The optional Air Science SafeSwitch™ filter replacement system minimizes exposure to filter contaminants when removing used carbon or HEPA filters for insertion of new filters. When replacement is required a draw cord manually activates an internal louver set to close the filter face for easy bag-out recovery. See Options.


Featured Purair Advanced Models

GSA Schedule


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