13 in 1 design with filtration, oxygen aeration and clearing oil-film function. 2Using high quality biochemical cotton filter, high density, good water permeability and can be used repeatedly. Also can clean up aquarium fish feces, create a clean environment for your lovely fish. 3The length of water inlet pipe can be adjusted according to the size of fish tank, which is convenient to use. 4Arch surface waterfall design of outlet to reduce noise. 5Easy to install and remove. Perfect for fish tank and aquarium.
