3/8” push-fit check valve

We currently have black check valves - they work the same as the one in the picture.

A third of the price of the john guest equivalent and does the same job.

3/8" push fit both ends. Just cut your gas line and put this inline to ensure one way only flow. There is small white arrow to show direction. The blue end is the out end.

Only allows gas or liquid one way. Really useful in protecting your lovely new regulator from beer or cleaner flowing backwards into your regulator. Beer and regs don't mix...