20017X009 Replacement Spring Check Valve for 20017X010 Air Injection Assembly
Replacement check valve for the current-style air injection assembly (20017X010) for the CSI Nitro/Sidekick or the WaterSoft Centuri/Sidewindr.
Replacement check valve for the current-style air injection assembly (20017X010) for the CSI Nitro/Sidekick or the WaterSoft Centuri/Sidewindr.