Nakura 2Pack - Biochemical Cotton Filtration Sponge for Fish Tank
Specification:
* Very suitable for using in freshwater and marine water
* Can be cut any sizes as your needed
* Lightweight & softness design
* Excellent water permeability
* A good item ensures your filtering effect.
* Cultivate the Purifying bacteria for biological filtration
* Dense shape makes it effective to avoid residue
* Can be used again after cleaning
1 x 2Pack - Biochemical Cotton Filtration Sponge for Fish Tank ( 2 x Black and 2 White sponges)