PRODUCT FEATURES Reviews Featured Products 22mm Screw Plug x 3/8" MPT $2.01 $4.51 Add to Cart Standard 1/4" MPT Standard Brass Coupler $4.64 Add to Cart 22mm Screw Coupler x 3/8" FPT $6.43 Add to Cart Standard 1/4" MPT Standard Stainless Steel Coupler $6.96 Add to Cart