+3 1/2"MPT x 3/8"Barb 400000007793 $5.99 In stock Quantity: 1 Add to Bag Product Details Use this fitting for connecting tubing directly to your pump. 1/2" FPT on one side, with a 3/8" barb on the other. If you are not using a QD Set or a ball valve, this is a handy piece of stainless for a direct connection. Save this product for later Favorite