Jebao 36W UV Pond Clarifier Sterilizer 

The Jebao 36 watt UV Sterilizer provides permanent control of algae. It removes heavy algae blooms usually within 5 days and keeps the pond algae free. This UV Sterilizer clears water while reducing pond maintenance. It is compacting, durable, easy to install and energy efficient and delivers full power from the ultraviolet bulb (bulb included).

As you can see in the picture, this UV clairifer come with 3 intake/outlet and one viewing window. but one of the outlet could be blocked, so you can use it as a traditional one intake one outlet UV clarifier.

Features:
Compact, design
36 Watt 2G11 base UVC lamp included
Max water flow 4400gph Max pond size 8800 Gallon
Avaiable fitting: Hose Adapter (3/4" 1" 1-1/4" & 1-1/2") or 1.5" or 2" PVC fitting