Mares XR Over Pressure Relief Valve Gift Ideas Need prescriptive lenses

Need prescriptive lenses

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Mares XR Over Pressure Relief Valve Gift Ideas Need prescriptive lensesThe Mares XR Over Pressure Relief Valve fits into one of the low pressure ports of your first stage and acts as a fail safe against free flows caused by excessive intermediate pressure and intermediate pressure creep that can occur in a malfunctioning first stage or a first stage that requires a service. Rather than the excess pressure being forced out of a second stage which could cause a free flow, the over pressure relief valve will be forced open