3cm Thick Aquarium Filter Super Thick Biochemical Filter Cotton Sponge for Aquarium Fish Tank Bio Cotton Foam Skimmer

Due to the volume of the sponges, we will squeeze it for better transportation (the size and weight will be the same, and it won't affect its usage effect). It will come back to its size after you put the sponge in air for a while or longer. Thanks very much for your kindly understanding.

Features:

Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality.

Increase the oxygen solubility.

Working noiselessly.

Good permeability, easy to clean.

Perfect filters sponge accessories for your tank and aquarium.

Specifications:

Product name: Aquarium Sponge

Color: Show as picture

Sponge Size: 100x20cmx3cm, 100x12x3cm, 50x12x3cm, 50cm x 50cm x 3cm, 100cm x 30cm x 3cm, 100x50cm x 3cm, 120x30x3cm, 100x40x3cm

The sponge will be squeezed for better transportion. It will come back to its size after you put it in water for a while. Thanks very much for your kindly understanding and great support to our store.

Reminder:

1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier.