... .Size:1/2" 2.Brass:57-62%,Ceramic disc,Rubber O-ring 3.Life span:500000times brass ceramic disc tap cartridgefast open ... valve core, faucet brass cartridge1 brass body,ceramic cartridge,rubber o-ring 2 cutting finish,surface rawbrass ceramic faucet cartridge ( valve core ... ,Faucet2) Material:Brass Body(Cu=57%Pb<3) , Ceramic Plate, O-ring EPDM/NBR , 3) Basic Brand:OEM ACCEPTED4) Oversea Market: EUR ...