APOIINLE 355315 Impeller, Compatible with Pentair Challenger Pump, Replacement Impeller 1-1/2 Full, 2 Up

["Perfect Compatibility: replacement for 355315 impeller, compatible with Pentair Challenger pump impeller","Stronger Water Pressure & Super Durable: Effectively raise pump discharge pressure for stronger water flow. Adopt solid reinforced structure, wear-resistant and long-lasting, maintain stable powerful working performance all the time.","Precision Engineered: Strictly follows standard specs , precise blade design, smooth water passage, reduces vibration, ensures quiet & efficient operation.","PP Material: Made of high-quality polypropylene (PP), heat-resistant, corrosion-resistant, and crack-resistant, capable of withstanding long-term stable operation in the chemical environment of pool water.","Restore Pump Performance: Replaces worn/broken impellers, restores proper water flow and pressure, eliminates low flow/noise issues, improves pool circulation efficiency."]