Fluval Nano Bio-Foam, 2pcs (current pkg is yellow/gold in color)

Created exclusively for the Fluval Nano filter (Item #A455), this Bio-Foam efficiently captures debris to ensure superior mechanical filtration.

• Effective mechanical filtration media
• Custom-fit for the filter chamber to block debris escape
• Optimal pore structure promotes smooth water flow, reduces blockages, and ensures durable performance
• Expansive surface area supports the thriving of beneficial nitrifying bacteria

• Tailored for use in the Fluval Nano Filter Perfect for freshwater aquarium setups