Compatible with the UNS Reef System series ONLY. The Ultum Nature Systems filter sock aids in maintaining superior water quality and clarity. Made from 200 micron mesh, these filter socks are designed to be used with the UNS Reef System. Aquarium filter socks are fantastic for trapping excess detritus and waste particles in the tank. Filter socks can be quickly cleaned and reused for longer periods before needing to be replaced. This listing is for replacement socks only. Key Features and Important Notes Superior water clarity: Filter socks collect excess waste and larger waste particles resulting in crystal clear aquarium water. Compatibility: UNS Reef SystemAll sizes (R60, R90, R120, R150, R180) What's Included Replacement Filter Sock for UNS Reef System. Each purchase includes 4 replacement socks.
