PRODUCT FEATURES Reviews Featured Products 22mm Screw Coupler x 3/8" FPT $6.43 Add to Cart 22mm Screw Plug x 1/4" FPT $4.51 Add to Cart 22mm Screw Plug x 3/8" MPT $2.21 $4.51 Add to Cart Standard 3/8" FPT Standard Stainless Steel Plug $4.08 Add to Cart