... cupboard series (PWP). Products of these series have characters of high efficiency, low noise, stable air flow, light in weight ... in structure and beautiful in appearance, high quality material.2. Heat Exchanger: adopt quality of high-purity copper (TP2), copper tubes are ... you to choose, dry steam humidifier, electrode-type humidifier, high-pressure spray humidifier and wet film humidifier.4. Suitable ...