Pokin Replacement Foam Filters Block for Fluval- Replacement Aquarium Filter Media 304/305/ 306/404 / 405/406 Aquarium Canister Filter Models - Equivalent to Bio-Foam A237 - Product Features
Compatible with :Our foam filter pack is designed for perfect compatibility with Fluval (TM) external canister filters models 304 / 305 / 306 (300 liter / 70 gallon) and 404 / 405 / 406 (400 liter / 100 gallon).
High Effective :2-in-1 biological and mechanical filtration media with rippled surface pattern offers 30% more area for increased debris and waste capture.
Bio-Foam :Mechanical filtration media precision cut (no gaps) to prevent debris bypass and complex foam structure maintains consistent water flow.
Fliter Media :Mechanical and biological filtration media with large porous surface that supports expansive beneficial biological activity.
Valuable Package :6-pack of filter foams ensure that you are never without a replacement when you need one. No need to pay top dollar for replacement filters - our filter are ideal for your device.