Plumbing Supplies

NBR O-Ring Nitrile Rubber Gasket Thickness CS 3.5mm OD 10~225mm Black Round O Type Corrosion Oil Resist Sealing Washer(OD 43mm ID 36mm) Mechanical Seals Oil Resist Sealing NBR O-Ring Nitrile Rubber Gasket Thickness CS 3.5mm OD 10~225mm Black Round O Type Corrosion Oil Resist Sealing Washer(OD 43mm ID 36mm)