Fresh Water Coupler Fitting Elkhart Supply 51139Fresh Water Coupler Fitting; BestPEX; 1 2 Inch PEX x 1 2 Inch PEX; 90 Degree Elbow; Brass; With Barcoded Elkhart Supply Corporation was founded in 1949 by Lowell and Lucille Shaum. As an electrical wholesaler, the business began to grow in the contractor, industrial and MH RV market. Fitting Type: Elbow End Type1: Hose Barb End Size1: 1 2 Inch End Type2: Hose Barb End Size2: 1 2 Inch Fitting Angle: 90 Degree Material: Brass Quantity: Single With O