Super Thin Aquarium Fish Tank Filter Transparent Biochemical Sponge Filter Aquarium Water

1pcs Aquarium Fish Tank Filter Transparent Biochemical Sponge Filter Aquarium Water biological Filter Features: Improve the water quality of the fish tank, can increase the solubility of oxygen in the water. Mini and compact in size, can place it at the aquarium corner, easily split and easy to clean. Can be also used as auxiliary filter for big size aquariums after linking with oxygen pump(not included) This mini-filter cartridge is very suitable for length blow 50cm aquarium use. No separate power, with a single-hole pump can be driven. Speicificaitons: Material: high quality Plastic Color: White Size: 8cm x 5.5cm (small), 10.5cmx5.5cm (Large) For smaller aquarium filter, please click here: Aquarium Filter For single head filter, please click here: Single Head Aquarium Filter Reminder: 1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier. 2. Always use aquarium water under room temperature to rinse clean the sponge, never use hot water. 3. It must be used through connecting the air pump. Including: 1pcs Aquarium Biochemical Sponge Filter