Pentair 174882 Knob Band Clamp Assembly Replacement Pool/Spa Filter and Pump Knob band clamp assembly replacement Fits Pentair Star polymeric aboveground D.E. filter Also fits Pentair Challenger high flow and pressure inground pump Compatible with Pentair Stainless Steel separation tank models SEP 48/72/96/144 Measures 3-inch length by 1-1/2-inch height by 1-1/2-inch width