BO JING FILTER WOOL NO2

Size: 32CM x 12CM x 2CM
Blue | BJ3212

This product is suitable for sea water cylinder, fresh water cylinder, water straw cylinder, the size can be cut freely.
The clearance and softness of the pores are suitable for the breading of excellent nitrifying bacteria by expert analysis.
Biochemical cotton can break down waste and feed residue, improve water quality filtration and cleaning, and reduce fish mortality.
Clean water once a month, not obstructed, not deformed, can be reused after cleaning, can be used continuously.