Coralife Aqualight Ballast, 1X65W, Model: SPL-165R-JS
This is a replacement ballast made to power a 1x 65W Compact Fluorescent Lamp (except Coralife Aqualight retrofits). This ballast will not work with all fixtures or even all types of Coralife fixtures. Make sure your fixture and lights are compatible with this ballast. It's part number is SPL-165R-JS