Designed and Made by Gci Creations (Lifewithpets) Reversible Clear Polycarbonate 20 Gallon LONG Aquarium Lid. These do not fit 20 gallon Tall tanks. We have two options of 20 Gallon long Aquarium Lids. Please see the tanks and sizes below and choose the lid compatible for your tank. Tank NOT included. 20 Gallon LONG 2 piece Aquarium lid compatible with Aqueon tanks. 20 Gallon LONG tank size 30.25"L x 12.5"W x 12.75"H. Please check tank size before buying. 20 Gallon LONG 2 piece Aquarium lid compatible with the basic Imagitarium tanks. 20 Gallon Long tank size 30.19"L x 12.4"W x 14.13"H. Please check tank size before buying. Our lids DO NOT fit any other brand of tanks or the Imagitarium 29 Gallon tank. The lid is reversible so a filter can be placed on the left or right side of the tank. Tank NOT included, it is only shown in the pictures to show the fit of the lid on the tank. ​ 2 Piece Lid 1" diameter feeding holes. 6.75”L x 2”W please measure you filter before buying. Cut outs for tubing and heater cords. The lid comes with a protective peel coat on each side. Remove the coating before use.​​ Material: Clear Polycarbonate. Aqueon Two Pieces: 11 7/16" W x 14 9/16"L each. Imagitarium Two Piece: 10 7/8W" x 14 5/16"L each Thickness: 3/16" To clean the lid do not use any chemicals or abrasive material. Use a soft cloth. No returns on this item, please measure carefully. Tank and filter NOT included.