Top Lids has designed aquarium lids for 1000's of the most popular standard tank brands. To make the order process easier, we've developed universal cutouts for lights and auto feeders that will fit any brand of light / auto feeder. We've also standardized the best locations for the cutouts based on the type and size of tank you have. All you'll need to do is select the quantity and type of lights and auto feeders you have on the Product Page, and we'll take care of the technical part for you.