Pentair Challenger 0.75–3.0 HP Diffuser Plate (355317Z) game Matching the correct compatible collar

Matching the correct compatible collar helps preserve intended fit and supports cleaner skimmer service results

A plug with an O-ring helps close a service or plumbing point with a more dependable seal

A safety whistle helps provide an audible signaling tool in aquatic or recreational safety settings

The Waterway 670-2290 Top Flo air injector is a straight-body injector designed for compatible spa systems using a 3/8 inch barb connection

For pool and spa equipment repairs

Pentair Challenger 0.75–3.0 HP Diffuser Plate (355317Z) game Matching the correct compatible collarThe diffuser plate helps keep internal pump components aligned and supports the transition of water through the Challenger wet end. This Pentair diffuser plate is intended for 0. 753. 0 HP Challenger pump applications, making it a valuable service part when rebuilding across a broader horsepower range. Use it to replace a damaged or fatigued plate during seal, impeller, or wet end repair work. Supports select Challenger pumps from 0. 75 to 3. 0 HP