The Flow Wolf Leak-Lock #1 Metal-Seated Adapter is designed for use on capped fittings ONLY. It provides and additional check valve so you can continue to service the valve in-line, under pressure.

Seal type: Metal-to-Metal

The new Flow Wolf style Leak-Lock Adapter has all the features of a regular Leak-Lock plus an additional metal-to-metal seal (with cap). Will accept liquids and pass the heaviest sealants without plugging off.