Fluval Evo/Spec/Flex BioMax

Features 

• Biological filter media
• Complex pore system provides larger surface area for beneficial bacteria growth
• Helps reduce and control toxic ammonia and nitrite
• Convenient mesh bag for quick and easy maintenance
• Rinse monthly with aquarium water for optimal performance
• Replace every 3 months
• For use in freshwater and saltwater aquariums:
  Spec Aquarium Kit, 2.6 US Gal / 10 L (Item #10510,10515) Spec Aquarium Kit, 5 US Gal / 19 L (Item #10516,10518) Evo Aquarium Kit, 5 US Gal / 19 L (Item# 10528) Evo Aquarium Kit,13.5 US Gal / 52 L (Item #10531) Flex Aquarium Kit, 9 US Gal / 34 L (Item #15004) Flex Aquarium Kit, 15 US Gal / 57 L (Item #15006,15007) Flex Aquarium Kit, 32.5 US Gal / 123 L (Item# 14995,14996)