... R410a ,R407C 4,energy-efficient T3 or Main functions: 1:Highly efficient ,largely saving electricity consuming 2:Electronic dust-removing ... 4:Highly-efficient dust-resisting filtering net , negative-ion generator ,healthy light touchable media 5:LCD Digital demonstration ... drier and cooler · 12:computerized smear-controlling wall split type air conditioner 9000BTU,12000 BTU, 18000BTU,24000BTU,30000BTU