Tecatlantis Easybox Volcanic Rings Filter Media Cartridge For Biobox Filters 2 And 3, L

• Made of unpolluted volcanic stone
• The most advance filtering material for aquarium
• Contains several essential elements
• Recommended replacement every 6-8 month

Product Description The easybox volcanic rings filter media for mini biobox and biobox filtration system is made of unpolluted volcanic stone which has excellent water penetration and contains several essential elements such as calcium, magnesium, silicon and aluminium. This is considered the most advance filtering material for aquarium. Recommended replacement every 6-8 months. Box Contains Volcanic Rings Filter Media Cartridge