Air-cooler 1. well design,smart appearance,light,easy to be ... stable High-efficiency two sides ceiling-type Air Cooler(evaporator).DHK series two-side Air-cooler are used with condensing units if various ... type coolersDHK/Z is used in the aire-conditioner of 5°C,such as big capacity mall,supermarket,vegetable- ... . DHK/L is used at the temperature of 10°C,such as the storage of fish,meat and other food.