HFS (R) TEE Fitting – Female FNPT 3-Way Tee Stainless (1/4″ Female NPT)
Of course you could do a lot of things with this fitting. One possible thing you could do is build a Spunding Valve. A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and more.
9/5/20 2:30 AM Central: This is selling for just $9.99. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability.
HFS (R) TEE Fitting – Female FNPT 3-Way Tee Stainless (1/4″ Female NPT) – note that multiple variations of this product may be available, as such a different version may appear at this link
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Make sure the components you use are compatible and rated for your intended application. Contact manufacturer with questions about suitability or a specific application. Always read and follow manufacturer directions.