... swingyesControl typeswitchCover area15~30m2Net weight27kgGross weight29kgWater tank20L 2. Introduction 1. High efficiently, energy-saving, comfortable and money saving, ... air coolers includingindustrial air coolers, houseold air coolerswindow air coolers, portable air coolersindustrial air cooler models: 18000cmh air cooler, 25000cmh air cooler, 30000cmh air cooler, 50000cmh air coolerhousehold air ...