Porous plastic filters are widely used as vent filter, which can protect the accurate instrument from wetting and heating. It makes the services life longer.
CMI self-sealing filters are used in fluid collection canisters, which filter the air and protect the vacuum system lines from contaminants in the fluid contained within the collection canister.
The filter material is made of multi-layer stainless steel sintered mesh, which is welded with the flange to form a circular filter disc or a conical filter.