PRODUCT FEATURES Reviews Featured Products 22mm Screw Plug x 3/8" FPT $4.51 Add to Cart 22mm Screw Coupler x 1/4" FPT $5.79 $6.43 Add to Cart 22mm Screw Plug x 3/8" MPT $4.06 $4.51 Add to Cart 22mm Screw Coupler x 1/4" MPT $6.63 Add to Cart