Application: Mechanical spring shaft seal is suitable for water pump, oil cylinder, swimming pool Spa pump, etc. Water Pump Seal 301 Carbon Ceramic NBR Mechanical Seal - Mechanical Seals and Customized The overall structure is compact, and the sealing ring is used in conjunction with the spring, which can directly replace the old or damaged parts. GatherTOOL 1PC * 301 Series Water Pump Mechanical 12x26x16mm Nitrile Seal PATIKIL Mechanical Shaft Seal Replacement, 2 Pack 301-12 Ceramic Water Pump Oil Cylinder Seal Advantage: The mechanical seal is made of durable nitrile, ceramic, and carbon material, which has high hardness and resistance. The mechanical seal is made of durable nitrile, ceramic, and carbon material, which has high hardness and resistance. The overall structure is compact, and the sealing ring is used in conjunction with the spring, which can directly replace the old or damaged parts Size: 12 x 26 x 16 mm / 0., 47 x 1., 02 x 0., 63 inch(ID*OD*H); Outlet pressure: 0., 6 Mpa; Operating temperature: -20~100 (℃); Packing List: 1 Mechanical Shaft Seal Replacement NOTE: Please confirm the specification and size before placing an order.