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