The Laguna PT1675 UV sterilizer/clarifier includes the following:
The Laguna UV Pond Water Clarifier 28W- Up to 2000 Gal purifies and sterilizes water in ponds between 1,000 and 2,000 gallons in size. The Laguna UV sterilizer creates a healthy environment for your fish and plants and offers a flow rate between 500 and 1,000 gallons per hour. This pond clarifier includes an LED indicator to display when the UVC lamp is in operation and also eliminates green water.
Laguna UV Pond Water Clarifier 28W- Up to 2000 Gal specifications: