Fluval Bio-Foam Inserts, for 104-106 & 204-206 Canister Filters
Description
Fluval Bio-Foam Inserts combine mechanical and biological filtration to keep your tank's water crystal clear. They are exclusively designed for Fluval canister filters and are perfect for both freshwater and marine environments. These inserts provide a massive surface area for helpful nitrifying bacteria to grow, making it easy to create a healthy and happy environment for your fishy friends.
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