EasyPro offers a line of high quality, affordable UV clarifiers Industry first protective device built inside sleeve turns off power when top cover is opened Dual outlets choose which side of the UV is easiest for your plumbing layout! Outlet can be on same side as inlet or opposite side. True quartz glass sleeve not cheap plastic like some other brands Multistep connectors for 3/4", 1" and 11/4" tubing Tough, impact resistant housings Weatherproof ballasts 15' power cord Long lasting bulbs.