air source heat pump,MDS50D heat pump,meeting heat pumps 1.100% original and brand ... new 2.strong quality,long life,best price air source ... heat pump,MDS50D heat pump,meeting heat pumps MODELUnitMDS50DRated heating capacityKW19Hot ... *Hmm737×637×915 Unit weightKG175Refrigerant R417A/R407CWorking air temp range°C(-40°C)—45°CcompressorType ...