All Glass Aquarium AAG21603 Fluorescent Deluxe Hood, 35hex Our most popular Hood is designed to perfectly compliment your All-Glass aquarium. It is custom fit to sit on the inside lip of the aquarium frame, which greatly reduces evaporation. They are designed to fit all major brands of aquariums. Our most popular Hood is designed to perfectly compliment your All-Glass aquarium It is custom fit to sit on the inside lip of the aquarium frame, which greatly reduces evaporation They are designed to fit all major brands of aquariums Our most popular Hood is designed to perfectly compliment your All-Glass aquarium It is custom fit to sit on the inside lip of the aquarium frame, which greatly reduces evaporation