Reef Crest 100 Micron Filter Sock (7 Inch) Test Kits Helps create a cleaner installation

Helps create a cleaner installation than multiple separate tank-mounted arms

Manufacturer model: I-552

The Furry Green mushroom is covered in countless short tentacles with bright green tips against a contrasting pink backdrop

The Australia variety is usually a much nicer color than from other areas

and 5 LED string options

Reef Crest 100 Micron Filter Sock (7 Inch) Test Kits Helps create a cleaner installationReef Crest 100 Micron Filter Sock (7 Inch) The Reef Crest 100 Micron Filter Sock (7 Inch) is a washable felt aquarium filter sock for finer mechanical filtration and water polishing in compatible sump systems. 7 Inch 100 Micron Sock for Finer Water Polishing The 100 micron felt captures smaller suspended particles than a typical 200 micron sock, making it useful when the aquarium needs clearer water, extra polishing after maintenance or improved