Gaskets *other gasket materials on request    Housing gasket FPM* on request order            Housing parts    Head without vent on request order    Head with vent on request order    Polypropylene sump (blue) 10" on request order    Polypropylene sump (blue) 20" on request order    SAN sump (transparent) 10" on request order    SAN sump (transparent) 20" on request order Suitable filter elements: Depth filter up to 90% retention rate .       . Depth filter up to 99,9% retention rate .   . Membrane filter cartridges .       . Aktivated carbon / adsorption filter cartridges .       . . Stainless steel filter cartridges .     . Original-Filter cartridges from 3M .       . Brief description: The filter housings of the series FFU / VIH exist of Polypropylene (acc. the F.D.A. regulations) and take up a single filter cartridge with a length of 124 mm, 248 mm or 508 mm. The material is extremely continual compared with acids free of oxidation like hydrochloric acid and sulfuric acid up to 70% of concentration, salt solutions, to liquid hydrocarbons, alcohols and concentrated lyes.