Hollis Pressure Gauge
This Hollis Pressure Gauge is a 2-inch SPG is for the beginner or the most advanced technical divers. The Hollis 2 inch SPG Comes with a Luminescent faceplate with an operating range of 0 to 5000 PSI or even an option for 0 to 360 BAR.
The Hollis 2-inch SPG has a chrome-plated brass housing and uses a bourdon tube for calibration and accuracy. Equipped with scratch-resistant glass.
The Hollis Pressure Gauge 2-inch SPG is oxygen cleaned for use of pure Oxygen or specialty blends for stage and deco bottles or just plain old Nitrox mixes.