Planet Aquariums Mega Matrix Black Framed 36.5 x 18.5" (72 and 84 Gallon) Lid Lid Style:Classic then choose your tank's length

then choose your tank's length and width

and select other tanks on our product pages with known factory overflows which don't sit at least 1/4" below the top of the tanks glass edge

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ON WHICH LID SECTION YOU WOULD LIKE THE FEED DOOR PLACED (RIGHT OR LEFT) IF PLACEMENT IS NOT SPECIFIED

Planet Aquariums Mega Matrix Black Framed 36.5 x 18.5" (72 and 84 Gallon) Lid Lid Style:Classic then choose your tank's lengthBuilt for the Planet Aquariums Mega Matrix Black Framed 36. 5 x 18. 5" (72 and 84 Gallon), this lid is cut from 3 8" optically clear polycarbonate and screened with 1 4" clear mesh to keep your livestock where they belong without cutting into your light. If you prefer black mesh or 1 8" clear mesh, you can select that when you configure your lid. Every ClearView lid is proudly Made in the USA. Made to order, built to last. Choose your lid style above,