LTWHOME Compatible Carbon Filter Pad Replacement for Aqueon QuietFlow LED PRO Power Filter, 10 (Pack of 24) 50 x Poly filter

50 x Poly filter

Custom designed and manufactured for Fluval BioFoam Max A189 406 / 407

They are just Activated Carbon impregnated foam

Custom designed and manufactured for Eheim Pro 3 2080 and 2081 filtration systems

LTWHOME Compatible Carbon Filter Pad Replacement for Aqueon QuietFlow LED PRO Power Filter, 10 (Pack of 24) 50 x Poly filterPack include: 24 x Carbon Filter Pad. Custom designed and manufactured for Aqueon QuietFlow LED PRO Power Filter 10. The carbon filter pads can trap pollutants, organic debris or leftover medications keeping your aquarium clean and clear. Provide both mechanical and biological filtration to extend the life of your filters. Change every 2 to 3 weeks and easy to replace.