Aro 104310 0-140 PSI Gauge Flush Mount for 1000/1500 Series – 15299332

Gauges and port blocks In the absence of the standard integral gauge, a gauge port block can be used with a screw-in aftermarket gauge. All regulators, piggybacks, and combo units ordered without a gauge will come with a gauge port block supplied as standard. All port blocks are 1/8″ NPT.