The Polaris UV-6C features the following connections:
The Polaris UV-6C UV Filter System 6 GPM - Clip Mount reduces germs and bacteria in water through the use of ultraviolet technology. This UV system has a 6 gallon per minute flow rate and a 24 watt lamp with 9,000 hours of rated life. This UV water filter system is quick and easy to install, and includes 1/2" MNPT connections. The Polaris UV system also requires minimal maintenance - simply change your UV bulb annually.
Polaris UV-6C UV Filter System 6 GPM - Clip Mount specifications: