A&M Sugarworks Store › Stainless Steel Adapters Image 1 of 1 Stainless Steel Adapters from $8.12 Stainless Steel Adapters that have one barbed end and a NPT end. Size: Select Size 3/4 NPT x 3/4'' 1''NPT x 1'' 1 1/4''NPT x 1 1/4'' 1 1/2'' NPT x 1 1/2'' 2''NPT x 2'' Quantity: Add To Cart Added! Stainless Steel Adapters that have one barbed end and a NPT end.