Uharbour 60psi Pressure Gauge, 2" Dial with Protection Case and 1/4"NPT Center Bottom Mount, Clean Filter Utility Water Pressure Gauge for Swimming Pool Filter, Spa and Aquarium. ….

Product description Dial size : 2 Connection:1/4 NPT Male Botton Center Mount Pressure range: 060psi/4 bar dual scale; Accuracy: Made to ASME B40. 100 standard 323%; Steel gauge case, Configurable protection case, brass wetted parts. Bourdon tube and Copper movement Working temperature : 4 to 140 deg F/20 to 60 deg C Ambient temperature : 140 deg F/60 deg C maximum Application: measuring water pressure of the filter for swimming pool, spa, aquarium etc.