PRODUCT FEATURES Reviews Featured Products 3/8" Brass Hex Coupler $3.41 Add to Cart Standard 3/8" FPT Standard Stainless Steel Coupler $8.20 Add to Cart Standard 3/8" MPT Standard Stainless Steel Coupler $7.88 Add to Cart Standard 3/8" MPT Standard Brass Coupler $5.69 Add to Cart