Crafted from high elasticity rubber and precisions molded components, these replacement seals withstanding prolonged exposure to water pressure and pool while maintaining airtights connection Includes critical replacement parts ( 11228, 11412 L Shape gaskets + valves seals) that pair with original specifications, enabling quick filter pumps rehabilitation without professional assistance Ideal for pool owners maintaining for sand filtrations systems, DIYer enthusiasts seek to repair pumps housings, traps, and sediment valves without replacing entire unit Restores great functionality to aging pool equipment during seasonal maintenance, emergencies hose connection repairs, or motor vibrations induced seal wear scenario Ensures leakproof with this comprehensive Pool Sand Filter Pumps Seal Gasket Replacement kits, containing 11 O-rings and a air release valves designs specifically for sand filter pumps ( model 25013, Manufacturer: ERRORY