6-Way Multiport Valve Pressure Gauge With Indicator - 0-60 PSI inlet-pipe-size_3/4" This is a 2 inch

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6-Way Multiport Valve Pressure Gauge With Indicator - 0-60 PSI inlet-pipe-size_3/4" This is a 2 inchThis is a Pentair Back Mount Pressure Gauge with Indicator for 6 Way HiFlow MultiPort Valves. It is 0 60 PSI and 2 inches in diameter. This pressure gauge is designed to fit most Pentair and Sta Rite filters. Check the list of Related Parts Schematics to see if your filter is listed.