Pentair Pentair 355270 Diffuser Replacement Challenger High Pressure Swimming Pool Inground Pump

This diffuser is designed to use with Pentair Challenger high pressure swimming pool inground pumps models CHII-NI-1-1/2F, CHII-NI-2A. Measures 6-1/2-inch length by 8-1/2-inch height by 7-1/2-inch width.