... , copper. 3. long life, anti-acid, and corrosion Water faucet filter accessories1)fit for all faucet2)size have :M16X1,M18X1 ... ,M20X1,M22X1,M24X1,M24X1,M28X13) filter:normal brass filter,stainless steel 304,anti-acid, anti-corrosion,Disc filters ... customer's requirments.Disc Filters Material: Black iron, stainless steel, brass, etc. Fineness of disc filters: from 50mesh to 1500mesh ...