Fluval 406/407 Bio Foam, 2pcs

Designed specifically for the Fluval 406/407 performance canister filters, Bio-Foam captures large particles and debris for effective mechanical filtration. Mechanical filter media Custom fit to prevent debris bypass Ideal pore size allows efficient water flow and longer media lifespan Enhances the biological filtration process Convenient 2-pack format For filter models: 404, 405, 406 For freshwater and marine environments