The three space filter is housed in 18-gauge perforated steel. Mounts in enclosures for use as a filtered vent panel.
- Filter is 1" thick and washable
- Washable filter slows contaminant entry in uncontrolled environments
- Filter is 1" thick, held in perforated steel panel
- Can be used as a filtered vent panel, or mounted directly over fans
- Occupies 3 spaces