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Fluval AquaClear 20 BioMax Biological Filter Media Insert - 2.1 Ounce
AquaClear 20 BioMax Filter Insert provides an optimal environment for beneficial bacteria growth. Reducing ammonia and nitrite levels, it increases biological filtration efficiency by 30%.
Exclusively designed for the AquaClear 20 Power Filter, the insert is safe for fresh and saltwater aquariums.
Net Weight: 2.1 OZ (60g)