... ballasts are used for air purification, water treatment systems aquarium sterilizing, etc. Features and specifications:1)Type of ... time of uv ballast: 2 years9)Input voltage of uv ballast: 12VDC, 24VDC, 110VAC, 220VAC Applications:Water treatment system, aquarium ... , offices, rooms, etc.Fume Purification system;Home appliances;Aquarium sterilizing systems; Advantages:all our Uv ballasts are produced ...