Before purchasing, please see our video on "How to determine the canopy you need", located in the photos section of this listing!! Two Piece Glass Canopy Set for 85L, 120XH, 100 Gallon Aquariums by Aquarium Masters, AM36018, for 60" Long x 18" Wide Aquarium Masters Aquariums with Center Brace. Fits the following framed standard and reef ready aquariums: 85L, 120XH, 100 Gallon Aquarium Masters Aquariums. Aquarium Masters glass canopies include diamond polished edges, handle, hinge, and backstrip on most standard models