LTWHOME Compatible Carbon Foam Filters Non But Suitable for Fluval U4 Filter (Pack of 6) the polishing pads and Bio-foam

the polishing pads and Bio-foam filters also fit for Fluval 304 305 306

Quick and easy to replace

Foam Filters Non-branded but suitable for Interpet PF1 Internal Filtration Systems

Package Include: 12PCS

and the polishing pads also fit for Fluval 304 305 306

LTWHOME Compatible Carbon Foam Filters Non But Suitable for Fluval U4 Filter (Pack of 6) the polishing pads and Bio-foamApprox size: 235mm x 65mm x 8mm These carbon filter pads are intended as an alternative to the poly carbon cartridge, and offer excellent chemical carbon filtration in the aquarium. There is no poly side to these filters. They are just Activated Carbon impregnated foam. After market product,Not Hagen FLUVAL genuine FOAM Provides efficient water flow with less clogging for long lasting filtration