NanoCloud Technology with hygienic humidification The original Philips humidification wick perfectly fits your appliance to ensure consistently high performance. It uses NanoCloud Technology to emit nano-sized molecules of pure water vapor and humidify the air with up to 99% less bacteria. Effortless control • Follow the Smart filter status indicator on your device Seamless operation • Philips filters ensure that your device works effectively • Up to 6 months of usage Superior performance • Perfect fit for consistently high performance • Up to 99% less bacteria with NanoCloud technology (1)