OASE BioMaster 350 External Canister Filter Black, Blue, 1ea – Freshwater

The BioMaster line of premium external filters are perfect for marine and freshwater aquariums. The BioMaster 350 boasts 4-stage filtration in a compact design. Biological, mechanical, chemical, and prefiltration all work together to provide your aquarium with optimal water quality and clarity. The BioMaster filters are designed with sealed filtration pathways to ensure water flow is getting the full benefits of prefiltration, filter media for clearer water, Hel-X Biomedia provide a large protected settlement surface for microorganisms, and activated carbon for ideal nutrient reduction and removal of toxins.