【Purchase Note】This fish tank filter need connect Air pump and Air tube,you need have to buy separately!
【Special desgin】Ultra-Thin,Small size, not take up space in fish tank,Compatible air pump wattage >1W （no include Pump）
【Main function】Provide Oxygen, Biological filtration and Purified water quality.
【Easy disassembled】Please wash this filter sponge regular ,creates a clear healthy home for your fish.
【Additional】please use this aquarium filters with air pump,if you have any install question, please feel free to contact us.
Colour: BT306