Autometer 2-1/16 inch Boost/Vacuum Gauge 30 IN HG/20 PSI

Using a patented, high precision bourdon tube meter movement, there isn’t another gauge on the market that can lay claim to the levels of accuracy or durability you’ll find here. A simple 1/8” NPT pressure connection requires no electrical hookup for operation. Includes 1/8” NPT fittings and nylon line kit.