DeepBlue Biomaxx Nano Replacement Cartridges - 3pk

BioMaxx Nano Carbon Cartridge 3Pk BioMaxx Carbon cartridge inserts combine the chemical filtration of carbon with the mechanical filtration of premium filter fiber in a no-mess one-piece unit that is easier to change than a light bulb. Fits Deep Blue BioMaxx, Red Sea and Azoo Nano filters. Rigid grid design keeps carbon suspended across more of the surface area than other cartridges, allowing more interaction between thecarbon particles and the water.  Easy-grip handle keeps hands dry during filter maintenance.