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and outdoor vents
Ideal for replacing worn unions or upgrading spa plumbing
Engineered for pool pros and DIY enthusiasts
Suitable for both DIY homeowners and professional technicians
Hayward Knob Washer Replacement 2 Pack For Pool Filter CX900WPAK2 BioMINUSDex and outdoor ventsHayward Knob Washer Replacement 2 Pack for Pool Filter CX900WPAK2 Intro Keep your Hayward Star Clear pool filtration system running at peak performance with this 2 pack of knob washers designed for CX900WPAK2. These replacement washers restore a precise seal on the valve knob assembly, reducing leaks and wobble, and helping maintain consistent flow across pools and spas of all sizes. Built by Hayward for compatibility with Star Clear cartridge
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