1. Pack includes: pool sand filter parts 11228 gasket, 6 pieces for value! Use our pool seals. the old, damaged or lost Orings. 2. LShape Pool ORings Replacement Part for Intex: 11228 Pool ORings Replacement Part for Intex Pool Sand Filter Pump Motors: 26323CA, 26323EH, 26331CA, 26331EH, 26337EH, 26351EH, 26351W, 26361CA, 26361EE, 26361W, 26371CA, 26371EH, 26381EH, 28643EG, 28645EG, 28647EG, 28651EG, 28946EH, 28948EH. 3. Stop leakage: If you encounter problems such as water leakage, there is probably a problem with the seal. Use it for the connection between pool hose and sand filter pump to prevent the leakage of water and air, and reduce the noise and vibration of the sand filter pump motor, improving the efficiency and performance of your sand filter pump. 4. Pool Seal: The seal of the sand filter pump is made of quality rubber with elasticity and strong sealing performance. Sturdy and durable, not easy to deform or damage, ensuring longterm use.