About the product:The buna-n o-rings are widely applied for various sealing applications, not only as faucet, water hose, filter, pump, air pipe, gas connections, fittings, lamp holder, a/c manifold and more home electric appliances, but also used in mechanical, industrial, construction for pressure valve, hydraulics, heat exchanger, boiler leak-repairing.Good Choice for you:•This kind of o-rings is made by nitrile rubber, which is good resilience, high tensile strength, not easy to tear and no odor.•The rubber construction of 70A durometer hardness, with waterproof, oil-resistant, heat-resistant and wear-resistant enhances the durability of long-term use.•Plenty of sizes and thickness are available, almost meet your needs of buna-n o-rings.Specification:Material: Nitrile Rubber;Overall Size: 17 x 14 x 1.5mm/0.67 x 0.55 x 0.