Aqua Ultraviolet Twist UV's are designed with a rotating union in the body for flexibility of installation. Easily place the inlet & outlet in a position to fit your plumbing schematic. Aqua Ultraviolet UV'S are the premium choice for water sterilization for a 1400 litre salt water aquarium or up to 11000 litres for fresh. When used as a sterilizer it will control the amount of harmful bacteria creating a healthier environment for your tank's ecosystem. When used as a clarifier it will clear ponds up 25000 litres (respectively) with 50% to 75 % plant coverage. 

Why Aqua Ultraviolet is different - 

• Industry's longest lamp life: 14 months
  
• Destroys harmful bacteria and Protozoa
  
• Quartz Sleeve allows for 99.9% transmission rate
• 2"  Inlet / outlet allows for easy connection
• Clear quartz viewing area tells you your lamp is on
  
• Designed for both indoor and outdoor use
• Manufactured in the U.S.A
• Limited life time warranty on housing