50*10*2cm Black Biochemical Cotton Filter Foam Sponge Aquarium Fish Tank Pond
The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover.
Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria.
The material has great thickness, it is durable.
Very suitable for using in freshwater and marine water.
Can be cut any sizes as your needed.
Lightweight & softness design.
Excellent water permeability.
Cultivate the nitrifying bacteria for biological filtration.
Dense shape makes it effective to avoid residue.
Can be used again after cleaning.
100% brand new & unused
Color: black.
Size: (approx.) 50x10x2cm (L*W*H)
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
All Free Shipping, Estimated Delivery Time: 7-20 Days
The warranty is valid for 90 days after purchase
We’ll refund your money if your item isn’t delivered within 45 days
We’ll refund your money if the delivered item doesn’t match the description
If you choose to cancel the order, funds will be returned to your account within 14 days