The most popular add-on feature shows the exact amount of air in increments of 200 psi. You can order your Spare Air with the Dial Gauge already installed or you can simply install one in any Spare Air.
Spare Air Dial Gauge Pressure Indicator 3000 psi Cost Less at Divers Supply. It's always easy to shop for Scuba Accessories at Divers Supply. We have the best prices on Scuba Accessories at Divers-Supply.com