Hollis High Pressure Hose for SPGThe Hollis High Pressure Hose for SPG provides a secure connection between your first stage and a submersible pressure gauge for scuba diving. Featuring a braided hose with a rubber jacket, it delivers durable performance under demanding dive conditions and uses corrosion resistant chrome plated brass fittings for long term reliability. Designed for compatibility with Hollis gear and common SPG setups, it is available in multiple lengths to suit