PRODUCT FEATURES Reviews Featured Products Standard 1/4" MPT Standard Stainless Steel Coupler $6.96 Add to Cart Standard 3/8" MPT Standard Brass Coupler $5.69 Add to Cart Standard 1/4" FPT Standard Brass Coupler $4.64 Add to Cart 22mm Screw Coupler x 1/4" MPT $6.63 Add to Cart