Inline shutoff valve designed to install between a standard regulator hose and the second stage. The valve provides manual control of gas flow and is intended as a simple, effective gas control solution for diving setups.

Intended use: Low-pressure systems only (below 15 bar).

• Installs between regulator hose and second stage
• Manual on/off control of gas flow
• Model: Highland HL404

Warnings:

• Ensure an over‑pressure relief device is present when shutting off gas to the second stage.
• Not tested by regulator manufacturers.
• Not suitable for deep diving.