air conditoner 1.mute operation:22dB 2.CE,ISO 9001 certificate 3.company onsite checked by alibaba staff 4.R410A air conditoner1.mute operation:22dB2.CE,ISO 9001 certificate3.company onsite checked by alibaba staff4.R410AProduct description:1.Wide selection with the inverter seriesOur wide-ranged lineup meets customer needs when it comes to functions and indoor unit types.2.Enhanced comfort with ...