Fluval AquaClear AC 20/30 BioMax Filter Insert

BioMax nodes feature a complex pore system where beneficial bacteria can easily establish and flourish. The media shape is specifically designed to permit even water distribution, which prolongs contact time over a wider area for effective biological filtration.

Features: 

• Premium biological filter media
• Complex pore system provides large surface area for thriving beneficial bacteria growth
• Promotes ammonia and nitrite reduction
• Permits even water distribution, prolonging contact time for added biological filtration
• For best results, replace every 3 months
• For use in freshwater and saltwater aquariums
  

Compatibility: 

• AC20 Power Filter
• AC30 Power Filter