... as the corrosion resistance, good air permeability, easy to back wash, high filter rating and etc.Sintered Metal Fiber ... Technical data: specificationum(c)filter ratingum(c) bubble point pressure(pa)basic deviation(±10%)air permeabilityL/(min•dm2)basic deviation ... Sintered Metal Fiber Felt 4.Shapes:Cartridge Filter, Disc Filters,Pleated Filter Elements, Filter Panel and etc. 5.Working Temperature:-200 ...