Realgoal UV BALLAST 12 16W Replacement Review

I bought this ballast to set up a UV sanitizer and see if it would work with my existing UV filter in my water system. I chose it because it looked like the ballast on my Express Water UV filter. The label shown here is different from the one I received. The top label looks the same as my existing EW ballast and also the label on the side: Model G16. Other sites and offers rate similar 4 pole ballasts at 10-17 watts. I tested it and it works great with Philips 38542-7. TUV 11W 4P SE bulbs…