For ultra-fine prefiltration system. The Coralife 1 Micron cartridge is great for freshwater, saltwater and reef aquariums. It's used as part of an ultra-fine prefiltration system and helps produce ultra-pure water using the Pure-Flo II or Pure-Flo III water purification systems. Cartridge measures 12" x 4" x 4".
Click to Report Issue or Better Description