Aquarium Filtration

Two pack of replacement foam inserts for Fluval 204 and 304. Provide mechanical straining of particulate waste and prevent it from prematurely clogging other filter media in the module stack. Replacement foam inserts for Fluval 204 and 304.Fluval Foam provides mechanical straining of particulate waste. It prevents particulate waste from prematurely[Read More]

Fluval Foam Inserts perform mechanical filtration, the first crucial step in the filtration process. Foam pore size provides efficient water flow with less clogging for long lasting filtration.