Brand New and high quality.
● Excellent water permeability.
● Can be used again after cleaning.
● Can be cut in any size you're needed.
● Suitable for use in freshwater and marine water.
● Cultivate the nitrifying bacteria for biological filtration.
● Offers good biochemical and physical filtration effects.
- Can be used both as mechanical or biological filter media.
- Easily cut to fit any sized sump or canister filter