50*12*2cm Biochemical Cotton Filter Foam Sponge Aquarium Fish Tank Pond Tt Other Football ITEM NAME:M2

ITEM NAME:M2

Usually used for testing cakes

red berries

each module

50*12*2cm Biochemical Cotton Filter Foam Sponge Aquarium Fish Tank Pond Tt Other Football ITEM NAME:M2ITEM NAME: 50*12*2cm Biochemical Cotton Filter Foam Sponge Aquarium Fish Tank Pond Tt Its multi porous feature will avoid blockages and provide the largest adhesion area for bacteria. Very suitable for using in freshwater and marine water. 100% brand new & unused Advise: Replace the bio sponge three month, to ensure the filtrating effect as well as the growth of the nitrifying bacteria. Package include1x filter biochemical cotton. Can be cut any sizes