beaufan 26 Pack Aquarium Filter Media Kit - Aquarium Air Stone Cylinders Replacement for All Biorb Fish Tanks, 10 Carbon Filters, 10 Foam Filters, 6 Air Stones, For Freshwater & Saltwater Aquariums

• Compatibility: This foam and carbon ring set is compatible with biOrb fish tanks, such as the Flow/HALO Series 15 acrylic 4-gallon aquarium. Replacement for all biOrb classic, tube, flow, halo and life aquariums.
• Ample Replacement Supply: This value pack includes 6 air stones, 10 carbon filters, and 10 foam filters—all sturdily constructed for long-lasting use and resistance to breakage.
• Powerful Aeration & Water Purification Dual Action: Air stone optimizes surface circulation via airflow regulation, and when paired with carbon’s odor/color removal and sponge’s impurity interception, it enhances oxygen exchange efficiency within the water body, creating a stable and healthy aquatic ecosystem.
• Tool-Free Install & Replacement: No tools required—simply remove your biOrb filter cartridge, swap out the air stone, and reattach it. For consistent airflow and optimal system efficiency, we recommend replacement every 3 months.
• Dedicated Beaufan Customer Support: Have any questions about your purchase? Feel free to reach out to our team, and we will handle your enquiry as quickly as we can.

Product description 26 Pack Aquarium Filter Media Kit - Aquarium Air Stone Cylinders Replacement for All Biorb Fish Tanks, 10 Carbon Filters, 10 Foam Filters, 6 Air Stones, For Freshwater & Saltwater Aquariums Directions It is recommended to replace the filter media every 3-6 months.