The Trojan S2Q-P-12VDC UV filter system accepts the following replacement ballast:
The Sterilight S2Q-P-12VDC - Ultraviolet Water System is capable of removing 99.99% of bacteria, viruses, and protozoan cysts (Giardia lamblia & Cryptosporidium) at rated flow of 2.9 gallons per minute. The Sterilight UV system features an easy to use design that simplifies homeowner maintenance. The Sterilight ultraviolet water filter system features 304 stainless steel reactor chambers, open end quartz sleeves, and aluminum gland nuts.
Sterilight S2Q-P-12VDC - Ultraviolet Water System specifications: