class:SRT-BK65 brand:SRT feature:1.Triple screen multi-stage cleaning: with the early effect filter layer, efficient HEPA filter and activated carbon filtration layer, high purifying air. 2. Double safety protection: the internal safety device in dumping machine automatically cut off power supply; Children open protection device will make a running machine, automatic stop, prevent children from access to the internal rotor. 3. Biological anti-bacterial: uv inhibit bacteria reproduction, curb virus activation, sustainable and efficient kills germs and suppress the virus activation. 4. Intelligent management: built-in chip microcomputer intelligent management, can according to indoor air quality, into low power mode or automatic acceleration purification, can also make an appointment on or regular shutdown.