Reefer Replacement 100 Micron Felt Fine Polish Filter Bag 4″x10.5″

A range of 3 high quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5″/26cm long filter bags for Red Sea’s Reefer and Max-S aquariums will also fit any standard 4″/10cm filter bag holder.
100 micron felt filter bags are designed to provide fine ‘polishing’ of water that is already low in particulate matter (mature aquariums).