1. MODEL SERIES WFOT13000 QuickTwist 1 Stage Drinking Water Filtration System Replacement Cartridges WFOTC3000 Series Tested and Certified by Water Quality Association WOA against NSF ANS Standard 42 for Aesthetic Chlorine Reduction Taste and Odor Reduction and Particulate Reduction Class 3 5 um to lt 15 um as verified and substantiated by test data Chemical and mechanical reduction unit For conditions of use and replacement parts please see our Performance Data Sheet Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after this filter system Maximum operating temperature 38 C 100 F Operating pressure 30 100 psi 207 690 kPa 828 449 1040 Service Requests Product Information 800 441 7515 Safety Health Questions Protect Plus LLC Hickory NC 28601 USA www waterfiltration DuPont com v4 0 F