Marina Bio-Carb Carbon Slim Filter Cartridge for Aquarium 3 Count

These Marina slim filter cartridges are made to fit right into Marina Slim Filters and help keep your tank water clear and smelling fresh. Each one comes pre-filled with carbon to trap gunk, odors, and leftover food bits. Super easy to swap—just pull the old one and drop this in. If you're using one of the best fish tank filters, having a few extra of these on hand makes life way easier.

• Made from activated carbon and Ceramitek ceramic biological filter media, housed within a plastic cartridge casing compatible with Marina Slim Filters.

• Do not replace all filter cartridges at once to preserve beneficial bacteria.
• Keep cartridges away from children and pets.
• Dispose of used cartridges according to local regulations.
• Avoid ingesting filter materials; not for human or pet consumption.
• Store cartridges in a cool, dry place until use.