Fish Tank Decor BuyCheap: Penn-Plax® Medium Tank Divider® for ...
Reviews: Penn-Plax® Medium Tank Divider® for Aquariums 11-3/8" x 9-5/8" Penn-Plax® Tank Dividers® instantly convert one aquarium into two. Available in four different sizes to fit most tanks up to 55 gallons in size, these dividers can be trimmed to fit your tank perfectly. Quick and easy to install, these polymer screen dividers are great for creating breeding tanks or for separating rough fish.