All Glass Aquarium AAG20009 Inc Economy Hood, 20-Inch This product is easy to use This product adds a great Value This product is Manufactured in United States These incandescent Hoods can be used on most brands of aquariums They fit on the lip of the aquarium frame for a nice, finished look The Economy 16 and 20 Hoods feature a one piece design with Lexan Blub splash shields for longer Blub life These incandescent Hoods can be used on most brands of aquariums They fit on the lip of the aquarium frame for a nice, finished look