VARIANT is our 36 inch direct drive portable evaporative cooler. With a massive 18,800cfm motor with cooling coverage of 5,100sqft . Direct-drive EC motor with variable speed controls. Gone are the days of low, medium, high speed controls now are the upgraded energy efficient EC drive motors with custom variable speed control 1-100. A default start setting can be saved into the machine with any preferred start up speed. Strong rotational molded antibacterial shell pairs with an galvanized exoskeleton frame with locking wheel casters allows 75% more durability. PAG fan blade adopts injection molding process to an aluminum hub machined for dynamic balance and performance with high efficiency and low noise. Using cutting edge balance technology enhances efficiency of air supply by 10x. Water valve adjustment, Control the flow of water with a simple turn of a valve on the side of the machine. Crazy super hot heat wave? open the valve all the way and really let that water flow! Seems semi muggy with high humidity but still warm? Dial down the water valve to combat the natural humidity in your climate to fully customize settings to ensure peak temperature control