Penn-Plax Tank Divider Clear/Blue, 20 gal, 11.37 x 15.5 in, X-Large

When your aquarium needs to become two spaces in a hurry, the Penn-Plax Tank Divider has you covered. This XL size measures 11.37 by 15.5 inches and is made for 20 gallon tanks, letting you instantly convert one aquarium into two separate areas. Finished in clear and blue, it is a tidy, flexible fix for breeders and for keeping the peace between tankmates.

• Instantly converts one aquarium into two, so you can divide your tank without setting up a second one.
• Sized for 20 gallon tanks at 11.37 by 15.5 inches, a great match for mid-size aquariums.
• Provides a split area for breeding and baby fish, giving fragile fry a safer place to grow.
• Gives more aggressive fish their own area, easing conflict between tankmates.
• Allows unrestricted filtration throughout the aquarium, helping keep both sides cleaner.
• Lets heater circulation move across the whole tank, so the water stays evenly comfortable.
• Can be trimmed for a custom fit if necessary, letting you fine-tune it to your tank.
• The clear and blue look keeps the partition understated while clearly marking each side.
• A simple way to separate fish that just need their own space.
• Helps you run one tank as two without overhauling your setup.

Whether you are protecting baby fish, settling a quarrelsome tankmate, or simply organizing your aquarium, this Penn-Plax XL tank divider gives you control over your space. Since filtration and heater circulation keep flowing through both sections, each side shares the same healthy water. Fit it into your 20 gallon tank and turn a single aquarium into two well-kept homes.