These 10.5"/26cm long filter bags for Red Sea Reefer Aquariums and Max S Series Aquariums will also fit any standard 4"/10cm filter bag holder.

225 micron thin-mesh bags are perfect for new setups and after heavy maintenance or whenever there is a lot of particulate matter in the water. They are also suitable as a holder for other mechanical or chemical filter media. The monofilament construction of these bags makes them very easy to clean.