Bio-Foam Max for 206/306, 207/307 Canister Filter 2-Pack
Designed specifically for the Fluval 207/307 and 206/306 performance canister filters, Bio-Foam Max is a 2-in-1 biological and mechanical media that features a rippled surface pattern offering up to 30% more area for effective filtering of waste and debris.
Happy to bought it on indie Fur as I got as branded and original products