The H2Pro 36″ Glass Canopy is a great way to add extra privacy to your fish tank. The canopy is made of high-quality tempered glass and features a clear plastic back strip that can be cut to fit your aquarium. The canopy provides the area for your lighting to sit while allowing simple access to your aquarium. The H2Pro 36″ Glass Canopy is compatible with Aqueon 30/40gal Breeder and comes in dimensions of 35.84 x 17.01 x 0.16in (910 x 432 x 4mm).