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Fluval 306/307 + 406/407 Bio Foam Filter Block For Aquariums

Fluval Foam Inserts for the Fluval 405 and 406 filters capture large particles for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for long-lasting filtration. These inserts also enhance biological filtration. For freshwater and marine environments. 2 pieces per pack

£9.74