Rubber Ring O-ring Sealing Ring Rubber Ring Dingqing Nitrile Resistant Check out this 2pcs faucet sprayer attachment, 360 degree rotating faucet aerator accessories, 3 mode adjustable kitchen sink tap head, water saving extend Rubber O Rings CS 5.3mm ,ID 20mm-272mm O Ring Sealing Ring Gasket Washer Oil Seal , NBR Nitrile Rubber O-Ring · High temperature resistance, acid and alkali... Scope of application: machinery, pump, water pipe, chemical pipeline, automobiles, motorcycle, shock absorbers, engines, front and rear wheels and other parts. Factory Price EPDM O Ring Seals Black Rubber O-Ring Good Chemical Resistance Man High temperature resistance, acid and alkali resistance, corrosion resistance and abrasion resistance.