Pentair C105-228PG Impeller Replacement Sta-Rite JWP Series Aboveground Pool and Spa Pump Impeller replacement Fits Pentair Sta-Rite JWP series aboveground pool and spa pump Operates at 1-horsepower and 1-1/2-horsepower Measures 3-1/2-inch length by 3-1/2-inch width by 3-3/4-inch height