+3 Coupler Gas In 1/4" Barbed Pin Lock 400000011202 $8.99 In stock Quantity: 1 Add to Bag Product Details Plastic quick disconnects for pin lock Cornelius-type kegs. Red and grey quick disconnects are used for the gas in tank plug. Barbed fittings are the most popular style, they make it simple to connect keg tubing directly to the barb. Threaded flare fittings are also available Save this product for later Favorite