SmartVent Sock Filter G4

Sock Filter G4 150mm 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.