Fluval Bio Foam 306-406

Fluval Bio Foam 306-406 The Fluval Bio Foam 306-406 enhances biological filtration, effectively capturing small particles and debris. It also adds a second layer of mechanical filtration for both freshwater and marine environments. These 2 bio-foam pieces are designed to fit fluval 306/406 filters, ensuring optimal performance and water clarity. Enhances biological filtration Effectively captures small particles and debris Adds a second layer of mechanical filtration For freshwater and marine environments Includes 2 bio-foam pieces that fit fluval 306/406 filters Looking for more? Shop aquarium filter media here.