A&M Sugarworks Store › Stainless Steel Unions - Reducing Image 1 of 3 Image 2 of 3 Image 3 of 3 Stainless Steel Unions - Reducing from $9.50 Two Barbed ends for connecting lines of differnt size. Size: Select Size 1'' x 1/2'' 1''x 3/4'' 1 1/4''x 3/4'' 1 1/4''x 1'' 1 1/2''x 3/4'' 1 1/2''x 1'' 1 1/2''x 1 1/4'' Quantity: Add To Cart Added! Two Barbed ends for connecting lines of differnt size.