Check the listing for details. Lifewithpets 40 Gallon Fish Tank Divider NO HOLES (No Suction Cups Required). Condition: New. Listed at 42.99 USD. Compatible with 40 Gallon BREEDER Tank Divider. ​ The 40 gallon tank divider is compatible with Aqueon 40 Gallon Breeder 36 3/16"L x 18 1/4"W x 16 15/16" HDivider Size 17 3/8"W x 15 1/2"H This divider is NOT compatible with other brands of tank. ​Easy to install and maintain. Made from a solid material and are very sturdy.Works best in a tank with substrate and is not suitable for bare bottom tanks. The tank divider can be used in reptile tanks if siliconed in place we do recommend a no holes divider for reptiles.The NO holes divider is also perfect for dividing shrimp , fry and guppy tanks but must be siliconed in place when used for breeding purposes. ​Things to note before buying.1. These dividers are not flimsy like mesh dividers you will require filtration in each section to help with water flow. Sponge filter are recommended.​Do not force the divider into a tank as we will not be held responsible for any damage to the aquarium. The use of this product is at your own risk.Due to the nature of this product ​No refunds or returns accepted, please check tank sizes before buying.***Sale is for the divider only.