Pressure Gauge

This Hollis rugged and easy-to-read gauge works great as a primary or even backup pressure gauge for the beginner to the most advanced technical diver. Luminescent Faceplate Standard with Air Spool & Viton O-rings Oxygen Clean Available in 0-5000 PSI or 0-360 BAR Chrome-plated brass housing w/ Bourdon tube Scratch resistant Tempered Glass 2...

These rugged pressure gauges use spiral-wrapped Bourdon tube movements for excellent shock resistance and the dial layout is uncluttered and easy to read. An excellent choice for a fundamental instrument.

PSI The new hollis Low-Profile Brass SPG with scratch-resistant lens, high-contrast background, luminescent needle, low weight and small size allow for a more streamlined rigging and are ideal for stage and deco bottles. High-contrast black background and white markings Luminescent needle Standard with Air Spool and Viton O-rings Oxygen clean 0...