Drum type film filter Used for pre-filtering and terminal fine filtering of the mediums as thin liquid, air, soup, pure water etc. Flow:0.5m3/h-30m3/h Filter precision ¦0.1-20ª8m Filter elements have two connecting forms as insert-type 226seat and flat mouth type 226 seat. Filter element: 5, 10, 20, 30 Filter element can adopt polypropylene, nylon, ptef etc. Drum adopts aisi304 or aisi316l material, inner and outer surfaces adopt polishing, surface roughness ra