Fluval Bio-Foam provides a convenient and effective way to mechanically filter your freshwater aquarium. Designed specifically for Fluval performance canister filters, these foam inserts capture large particles and debris, keeping your tank water clean and clear.

Features

• Custom fit to prevent debris bypass for optimal filtration
• Ideal pore size allows efficient water flow and extends media lifespan
• Enhances the biological filtration process by providing a surface area for beneficial bacteria to grow
• Convenient 2-pack format ensures you have a spare on hand

Specifications

• Available in two sizes:
• Medium: compatible with Fluval 206/306 and 207/307 performance canister filters
• Large: compatible with Fluval 406 and 407 performance canister filters