Looking for a durable scratch-resistant pressure gauge as a replacement or a back up for your Save-A-Dive Kit ? XS Scuba's triple chrome-plated brass cased with glass lens pressure gauge is what you need. Gauge reads from 0 to 5,000 psi, has a simple unobstructed dial for easy reading, the air spool is equipped with Viton o-rings for oxygen compatibility. Gauge is available in psi or bars. HP Hose and gauge boot sold separately