... 3) remove volatile organic,chloride 4) instant sterilization RoHS CE NSF 177 Nano-silver activated carbon shower filter Model NoLY006 Specifications4 ... sterilization rate99.99% Inhibition sterilization rate99.99%CertificationCE, RoHS,WQA,NSF 177 ,IWA,IAPMO R&T Functions: 1. Instantly sterilize 99 ... any questions , Don't hesitate to contact me. RoHS CE NSF 177 Nano-silver activated carbon shower filter