LEVEL 2 REPLACEMENT CARTRIDGE
Replacement cartridge filter for US-600 -also models US-550, SY-2000 & SY2100 systemsTested & certified to NSF/ANSI standard 42 -for the reduction of Chlorine taste & odor -and Particulate Class I plus Standard 53 for -Cyst, asbestos and turbidity0.5 micron (nominal) filtrationFilter life up to 12 months or 1000 gallons