3-Stage Big Blue 20″ Whole House System 1″ Port+,GAC, 2 Sediment Filters,Gauge
Housing Bracket so You can choose mounted or unmounted installation. Pressure gauges help to monitoring your system and to know which filter you need to change and when. The black cap has 1” female National Pipe Thread Taper (NPT) threaded input and output connections, DOUBLE O-ring to ensure watertight seal.