https://www.mea.lighting.philips.com/p/indoor-luminaires/uv-c-disinfection-devices/uv-c-disinfection-upper-air-wm/LP_CF_8474812_EU/family
Philips UV-C disinfection upper air WM | 8474812 | Philips lighting
Philips UV-C disinfection upper air ceiling mounted is designed to be installed on false ceilings for the disinfection of air in a wide range of applications....
upper airphilipsuvcwm