Straight Barbed All-Purpose Drain - White1-3/8" White Concaive Head Drain. These molded drains, available in straight and 90-degree versions, offer a low-cost method to drain water from virtually anywhere. They have a very low-profile concave head to allow complete drainage. Drains mount easily in a 1-3/8" diameter hole and are secured with the molded nut that is included. Hose barbs fit a 3/4" hose for routing of drainage.Specifications:Color: WhiteFits Hole Diameter: 1-3/8"Water Connection: 3/4" Hose