Replacement locking knob o-ring for Hayward cartridge filters. Fits Star-Clear C250, C500, C750 and Star-Clear II C800, C1100, C1500.
This item is currently out of stock but can usually be special ordered.
The price shown is from when it was last in stock and may have changed.
Call us at (407) 898-8722 for current pricing. Most items arrive within 1–2 business days.
