Pack of 10 Eaton Weatherhead C5205X4X4 Carbon Steel 1/4″ NPT Male x 1/4″ JIC Male Fittings
These fittings could be used for a lot of things including putting together a Spunding Valve Build. A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more.
See: [Build a Spunding Valve]. Take a look at Build Option 2 for a version that uses a similar although not identical fitting.
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