Product DescriptionOase's Vitronic 18 Watt UV clears green water in ponds up to 5,000 gallons. Easy to install and maintain.
- For ponds up to 5000 gallons without fish, up to 2500 gallons with goldfish, or 1250 gallons with koi.*
- Maximum flow rate: 925 GPH
- 21 x 7 x 5 in.
- 15ft Power Cord
- Step-down tubing adapters accept 1", 1-1/4". or 1-1/2" tubing
- Clear adapters allow you to see if the lamp stops glowing.
- Instruction Manual
*Please note that clarification ratings assume that the pond also has adequate filtration.