ITEM NAME:80 mm x 3.5 mm x 73 mm Rubber seal Oil filter O-rings Seal ring 5 pcs Z6A5 80 mm x 3.5 mm x 73 mm Rubber seal Oil filter O-rings Seal ring 5 pcs Z6A5 Oil resistance, hydraulic fluid resistance and water repellent. Flexible black rubber O ring seal. Widely used for mechanical sealing, pressure vessels, gas compressors, reaction vessels, heat exchangers, boilers, filters, automotive, electrical appliances and other fields. Product Name: O Ring Material: rubber Outside Diameter (Approx.): 80mm / 3.15 inch Inside Diameter (Approx.): 73mm / 2.87 inch Thickness (Approx.): 3.5mm / 0.137 inch Color: Black Weight: 11g Package content: 5 x rubber O ring Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm..Oil resistance, hydraulic fluid resistance and water repellent. Flexible black rubber O ring seal. Material: rubber. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.