Felt Filter Sock T757252

High quality, reusable aquarium filter bags providing different levels of mechanical filtration. These 10.5/26cm long filter bags for Red Seas REEFER and MAX-S aquariums will also fit any standard 4/10cm filter bag holder.Red Seas 225 micron Thin-Mesh aquarium filter bags225 micron thin-mesh aquarium filter 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. These bags are now used in REEFER and MAX-S Systems.