4 high-quality O-ring seals for Intex sand filter systems are included as a complete replacement part set to restore a tight, leak-free pump operation. Compatible with Intex sand filter pump motor models: 26323CA, 26323EH, 26331CA, 26331EH, 26337EH, 26351EH, 26351W, 263661 CA, 26361EH, 26361W, 26371CA, 26371EH, 26381EH, 28643EG, 28645EG, 28647EG, 28651EG, 28946EH, 28948EH Material and durability: - PVC construction provides chlorine resistance and maintains its shape with frequent use, making it suitable for continuous pool-side operation. Design and installation: - Precisely manufactured round seals with an optimal fit for sand filter pumps. - Elastic rubber-like sealing capability ensures a secure seal and straightforward assembly. Applications and benefits: - A essential replacement part for maintenance or repairs, helping private pools sustain long-term sand filter performance. - Helps prevent leaks, reduces downtime, and supports reliable pump operation. Use scenarios: - Seasonal pool maintenance: replace worn O-rings during opening/closing to avoid leaks. - Routine pump servicing: swap seals during disassembly for cleaning or inspection to maintain a tight seal. - Service technician repairs: keep on hand as a ready-to-install replacement set for Intex sand filter systems.