Non-woven synthetic 1/2” (17 mm) thick filter pad. The 1/2 inch deep non-woven design of the PF40 filter pad ensures superior coarse dust holding capacity. The filter pad may be washed several times before it needs to be replaced. Filter area is155 sq. inches (0.1 m2 ).
IQAir Compatibility Compatible with all IQAir filtration devices. Not compatible with the accessories FlexVac, MaxVac,VM FlexVac and InFlow W125.