Pentair Pentair 355077 Diffuser Replacement High Flow Pool and Spa Inground Pump

This diffuser is designed to use with Pentair Challenger high flow pool and spa inground pumps models CFII-NI-1F, CF-NI-1/1-1/2A, CFII-NI-2A. Measures 6-3/4-inch length by 2-1/4-inch height by 6-3/4-inch width.