UVC Air pollution UV lamp wave length 253.7nm,254nm 30w Disinfecting for Water purify,, medical disinfect Air pollutionUVC Disinfecting UV lamp ... Disinfecting UV lamp is the wave length of 253.7nm,(most of people name it 254nm) (we called it UVC)which ... purify, air pollution ,ward, family, and pharmaceutical factory etc……UVC UV Lamp available in our store with various size :NOPOWEROperating Voltage ...