Valterra's ClearView Hose Adapter angles hose connections to more convenient positions and features reinforced ears for long-lasting durability. Included with each adapter is a seal for leak-proof connections. The clear plastic construction lets you see when the job is done. For use with current drain hose fittings, no need to remove or re-attach drain hose. I.D.: 3.04". O.D.: 3.5".