The Stainless Steel Series UVs are ideal for ponds, aquariums, and water features. These units are constructed of 316 Stainless Steel electropolished and passivated. Stainless steel units have features that allow for quick installation and easy maintenance. Aqua Ultraviolets UVs will clear your water in 3-5 days, sometimes overnight, and keep it that way.Aqua UV Stainless Steel 40 watt UV Sterilizer, 2″ Outlets by Aqua Ultraviolet.The Stainless Steel Series UVs are ideal for ponds, aquariums, and water features. These units are constructed of 316 Stainless Steel electropolished and passivated. Stainless steel units have features that allow for quick installation and easy maintenance. Aqua Ultraviolets UVs will clear your water in 3-5 days, sometimes overnight, and keep it that way. Performance is guaranteed when sized, installed and operated according to our instructions.A sterilizer will eliminate green water and control bacteria. The Stainless Steel 40 Watt, will sterilize up to 2,000 gallons of fresh water.Features:Fresh Water Sterilizer1,200-2,000 gals/Flowrate – 2,900 gph for 30,000 w/cm2Fresh Water Clarifierto 6,000 galsNo Woper2″ OutletsProduct code: 3277Item No. UV-AQ-A00423