$ 5.48
Ceramic Aquarium Filter Media Media Size: 25 x 14 x 25mm/1.0″ x 0.5″ x 1.0″(OD*ID*H) Beneficial for the growth of nitrifying germ in your aquarium. Provide an anaerobic environment, Reducing the content of nitrates in water, Promote more healthy water quality. Best for Salt and Freshwater Hosts Billion more bacteria 100 Times better than Other
