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Fluval Bio Foam 304/305/306 A237

Fluval Bio Foam 304/305/306 A237

Replacement Fluval bio foam for the 3 and 4 series External Filters.

The bio-foam enhances biological filtration and effectively captures small particles and debris for freshwater and marine environments.

Replace the foam when the structure becomes clogged quickly. Clean Fluval foams in tank water but replace when they lose there shape.

Use the Fluval External Filter Bio Foam A237 with Fluval External Filter Foam A222 and Fluval External Filter Polishing Pad A244 to keep your water clean and fresh.

Fluval 306 filter instructions


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