+3 Tubing Adapter Set 1/4" Barb 400000001456 $4.99 In stock Quantity: 1 Add to Bag Product Details This is a special 1/4" nut and 1/4" barb that will attach to threaded quick disconnects or other 1/4" male flare fittings and allow 3/16" tubing to be attached. Save this product for later Favorite