50KCQ04-06 WeatherMaker® Single Packaged Rooftop Heat Pump Units with Puron® (R-410A) Refrigerant, 3 to 5 Nominal Tons 50KCQ04-06 WeatherMaker® Single Packaged Rooftop Heat Pump Units with Puron® (R-410A) Refrigerant, 3 to 5 Nominal Tons