SMART UV HIGH-OUTPUT SYSTEMS SMART UV units have a 5.75-inch diameter housing and 2-inch slip union. Each model features low pressure lamps, as well as remote-style ballasts with 10-foot cable to ballast and 6-foot power cord. Units are 115V/230V 50/60Hz. UV vessels are built of a high density polymer with a removable end cap to provide easy access. Internal viewing ports allow visual indication of lamp status. Includes a 1-year warranty on SMART UV System ballasts, 3-year on housing due to UV damage and a 90-day warranty on lamps. Not suitable nor approved for swimming pool applications. EPA Est. No.: 091668-FL-001