Waterway .75 HP Hi-Flo Side Discharge Spa Pump Impeller "B" (310-3990) valveparts supporting better debris capture and

supporting better debris capture and steadier skimming action

Filter cartridge for compatible C-4440 and PSD40 spa and pool applications

and EW-75 applications using an 8-1/2 x 18 inch format where the original grid has torn

That helps improve repair quality without turning a focused service job into a larger project than necessary

and WB skimmer applications where the original plate has cracked

Waterway .75 HP Hi-Flo Side Discharge Spa Pump Impeller "B" (310-3990) valveparts supporting better debris capture andThe Waterway 310 3990 impeller is designed for compatible . 75 HP Hi Flo side discharge spa pump applications and is identified as the B version. An impeller like this is useful because it restores the working water moving element of the pump while maintaining compatibility with the original version specific design. Version specific pump parts matter because even similar horsepower ratings may not use the same impeller. This Waterway part is a strong