Seapora | Couvercle en Verre (48"x13")Keep a lid on your aquarium, and protect your fish from other pets and unwanted debris. This Glass Canopy by Seapora features Opti Pure Glass Technology for absolute clarity and helps minimize water evaporation. It also puts a protective layer between your light fixture and aquarium water, while preventing daring escapes! It fits the following aquariums: 40E, and 55S. 48" x 13"