This Nitrous Express 4AN bottle fitting adapts pump-station master bottle valves to a male 4AN AN connection, allowing integration of master bottles into AN-plumbed systems. It provides a straightforward adapter solution where a pump station valve must interface with standard 4AN fittings used on housings, lines or refilling setups.
Nitrous Express 4AN Bottle Fitting for 660 Bottle Valve (Pump Station Master Bottle)