The Hayward SPX5500H Strainer Cover O-Ring is a vital component for pool and spa filtration systems, as it ensures a tight seal between the strainer cover and the pump housing. This 0.75" × 6.25" × 8" O-ring is made of sturdy rubber and is designed to resist exposure to chemicals, water pressure, and temperature fluctuations. By stopping leaks and preserving ideal water flow, it enhan... https://www.usapoolshop.com/spx5500h-hayward-strainer-cover-o-ring