... are used for air purification, water treatment systems aquarium sterilizing, etc. Features and specifications:1)Type ... 12VDC, 24VDC, 110VAC, 220VAC Applications:Water treatment system, aquarium water purification, air purification system, disinfection in hospitals, ... offices, rooms, etc.Fume Purification system;Home appliances;Aquarium sterilizing systems; Advantages:all our Uv ballasts are produced ...