The Pressure Gauge 1.5" (GA-D-1.5-C-1/8-160) is an essential component for monitoring water pressure in standard 12" membrane housings. With a measurement range of 0-160 psi and a back port configuration, this gauge ensures accurate pressure readings for optimal system performance. Featuring a 1/8" Male Pipe Thread (MPT), it offers compatibility with various water filtration setups, providing reliable pressure data to maintain efficient operation.