Click or scroll to zoom Tap or pinch to zoom In-Line Check Valve Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $8.95 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Use this In-Line Check Valve to prevent the possibility of back flow from your Kegs. The Check Valve includes one 1/4" MFL and one 1/4" FFL fitting.