AquaClear 20 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria, which is essential for effective biological filtration and water purification for the AquaC
Marina 360/Marina Splash Replacement Filter Cartridge, with carbon and zeolite, improves water clarity and color while removing polutants and odors. This replacement filter cartridge is designed use with the Marin
Marina Bio Clear Cartridge for Slim Filters, 3 pack, Ideal for goldfish, the filter cartridge contains zeolite and Ceramitek for optimum filtration and a healthy aquarium, activated carbon effectively removes poll
AquaClear 30 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria, which is essential for effective biological filtration and water purification for the AquaCl