Features: The Hanging Filter Is Adsorbed On The Wall Of The Fish Tank, Using Environmentally Friendly High-Grade Sponge As The Filter Material, Mechanical And Biological Double Filtration This Kind Of Living Cotton Is Designed And Manufactured On The Principle Of Multi-Layer, Has A Large Surface Area, And Does Not Have Any Obstacles To The Flow Of Water Specification: Xy-2820 Is Suitable For Fish Tanks Below 40L; Xy-2821 Is Suitable For Fish Tanks Below 100L; Packing List: 1 X Sponge Filter Note:
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