H2Pro 30" Glass Canopy 20 Long/29 Gallon Aquarium Fish Tank (29.21 x 11.69 x 0.16in), Clear, 30GTFits most 20Long 29 gallon Fish tanks (marine land & perfecto). there are different Aquarium manufactures. Please measure your Tank opening to the closest millimeter before purchasing! Dimensions: 29. 21 x 11. 69 x 0. 16in (74. 2 x 29. 7 x 0. 4cm) Features new and improved tempered glass; durable and reduces evaporation Clear Plastic back strip that can be cut to fit your Aquarium Provides the area for your Lighting to sit while allowing simple access