Hayward KNOB WASHER (SET OF 2) - Hayward 120 Sq Ft Star Clear Plus Cartridge Filter | CX900WPAK2 Hayward 200 Sq Ft Swimclear Single Element Cartridge Filter ✔ Clean the O-Ring Groove

✔ Clean the O-Ring Groove – Remove any debris or buildup to ensure a tight seal

concentrated hot tub defoamer formula starts working immediately to prevent imbalances and the need to refill your spa water

✅ Maintains Pump Efficiency – Ensures the drive motor operates at full capacity

Three easily interchangeable throats improve debris passage and suction performance

preventing scratches and tarnishing

Hayward KNOB WASHER (SET OF 2) - Hayward 120 Sq Ft Star Clear Plus Cartridge Filter | CX900WPAK2 Hayward 200 Sq Ft Swimclear Single Element Cartridge Filter ✔ Clean the O-Ring GrooveHayward KNOB WASHER (SET OF 2) Part CX900WPAK2 The Hayward Knob Washer Set (Part # CX900WPAK2) includes two high quality washers designed for use with Hayward pool filter systems. These washers are an essential component for ensuring a secure, leak free connection between the filter lid and the locking knob, preventing leaks and helping to maintain optimal filtration system performance. Made from durable, corrosion resistant material, the CX900WPAK2