Ductless Fume Hood

Purair Basic ductless fume hoods and chemical processing workstations 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.

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: (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.

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.

M. Filter Door Key: Filter access keys prevent unauthorized removal or accidental exposure to dirty filters.