PRODUCT FEATURES 1/2" MPT x 1/2" MPT Stainless Steel Nipple Reviews Featured Products Polypropylene Nipple $1.22 Choose Options 1/2" MPT X 1/2" Barb Stainless Steel $15.85 Add to Cart Standard 1/4" MPT Standard Stainless Steel Plug $3.27 Add to Cart Standard 1/4" MPT Standard Stainless Steel Coupler $6.96 Add to Cart