Pentair 190059 Rear Mount Pressure Gauge Replacement Pool/Spa Valve and Filter;

This rear mount pressure gauge is designed to use with Pentair Star Polymeric, FNS, SM & SMBW 4000/2000 Series, Nautilus, Nautilus Plus, Star pool and spa D.E. filters and also compatible with Pentair Meteor, Sand Dollar, Meteor Top Mount, Tagelus, Tagelus II pool and spa sand filters and Pentair Sta-Rite Cristal-Flo II high-rate sand filters. Product also fits Pentair Triton C-3 pool and spa commercial filter models TR100C, TR140C and Six-way 1-1/2-inch HiFlow valves. Measures 9-inch length by 2-1/2-inch height by 7-inch width.