BRS 5" Mini Reactor Refillable Cartridge - Hard Shell

Maximize your chemical filtration space with the BRS 5" Mini Reactor Refillable Cartridge - Hard Shell for your compact reef tank system. This high-quality 5” hard shell, clear, refillable media cartridge for BRS 5" reactors allows you to easily view the condition of your internal filter media. Built from durable clear plastic, this heavy-duty cartridge holds loose carbon, GFO, or biopellets while preventing channeling and ensuring optimal up-flow water contact time. Upgrading your mini reactor with this robust replacement shell helps maintain crisp water clarity and stable water parameters throughout your aquarium. Keep your saltwater fish tank or freshwater setup operating at peak efficiency with this easy-to-use, leak-resistant refillable media chamber.