Highland inline shutoff at second stage w/gre/red ind HL404DLX

Allows manual gas control by installing between a regulator hose and second stage. Key Features: Slide Delrin collar to stop gas flow Prevents critical gas loss. Can be used for deco rigs, stage bottles, and drysuit inflation 9/16”-18 UNF male to female threads 
For low pressure use only (under 15 bar).
  
Warning: Ensure an over-pressure relief device is present when shutting off gas to the second stage.

Warning: Not tested by regulator manufacturers. Not suitable for deep diving.