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: 5.3cmx6cm,8cm x 5.5cm , 10.5cmx5.5cm

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