SmartVent Filter Replacement Cartridge F7 300x300mm

Inline Filter Cartridge F7 300mm x 300mm for 150 -200mm Duct

This high quality F7 filter captures pollens, dust and allergens from the air. Over its life the filter will, as an average, have an 80-90% arrestance on particules 0.4 microns in size and above. The filter cassette is held in a frame of silicon impregnated cardboard which is fitted with two plastic neck adapters to facilitate maintenance and replacement. This design also permits a range of duct sizes for the same filter cassette.