Use to isolate a Regulator 2nd Stage in the advent of a free flow.
Will fit the vast majority of regulator second stages.
Operates via a sliding action of the valve sleeve that results in a rapid shut of the air supply.
Can be used on main second stage or octopus second stage.
Standard 9/16ths UNF Fitting so will fit 99% of Regulators.
Simply screw one end of the valve into the end of the regulator hose and the other into the second stage where the hose would usually connect.