Aquarium Floating Plant Corral, Intercepting Floating Plants from Filters and He

Brand new never used!
THE FUNCTION OF AUTOMATIC ADAPTATION TO WATER LEVEL: this product is designed to protect and manage duckweed in the aquarium. A Duckweed fence can automatically adjust its height according to the water level, making the fence on the surface of the water all the time. The products 4 inches floating range of water level makes it is suitable for suspended filters, sponge filters
THE FUNCTION OF PROTECTING FLOATING PLANTS: the fence can separate duckweed into different areas to prevent duckweed from being washed away by the strong flow of the filter, drawn into the filter, or eaten by fish. The fence can protect duckweed from being damaged or destroyed, which is conducive to maintaining the environment balance in the aquarium.
THE FUNCTION OF IMPROVING WATER QUALITY IN THE AQUARIUM: duckweed fence can prevent the water quality of the aquarium from becoming muddy by the strong flow of the filter. This product can also prevent aquatic plants from blocking the filter, w