Purair® Basic Ductless Fume Hoods
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.