Fluval 104/5/6/7 and 204/5/6/7 Filter Bio Foam Plus | Compatible with 106 and 206 Fluval External Filters

Genuine Fluval Bio-Foam replacement filter media for reliable long-term performance. Designed specifically for the Fluval external canister filters: 105/106/107/205/206/207 The mechanical and biological filtration media has a dense foam structure that traps fine debris while providing a large surface area for beneficial nitrifying bacteria to grow This filter media is highly effective at trapping smaller waste particles that pass through the first mechanical filtration stage, improving overall water clarity Enhances biological filtration by promoting strong bacterial colonies essential for breaking down ammonia and nitrite Suitable for both freshwater and marine envionments, maintaining cleaner and healthier water for your fish and plants