Red Sea 100 Micron Felt Fine Polish Filter Bag (R42195)

100 micron felt bags are designed to provide fine ‘polishing’ of water that is already low in particulate matter (mature aquariums).

• Diameter : 10cm / 4"
• Length : 26cm / 10.5"

Designed for Red Sea Reefer Aquariums and Max S Series Aquariums but will also fit any standard 4"/10cm filter bag holder.