Pentair Pentair 076033 Clamping Band Knob Replacement Pool and Spa D.E. Filter

This clamping band knob is designed to use with Pentair SM & SMBW 2000 and 4000-series pool/spa D.E. filters and also compatible with Pentair Nautilus Plus pool and spa D.E. filters. Measures 3-inch length by 1-1/2-inch height by 1-1/2-inch width.