VEVOR Evaporative Air Cooler, 2100 CFM, 135° Oscillating Swamp Cooler with Adjustable 3 Speeds and 12 H Timer, 7 Gal Portable Air Cooler for 750 Sq.ft, Indoor/Outdoor Use, FCC Listed
The mode button can be used to distinguish between normal wind and natural wind. Normal wind means maintaining a constant wind force, while natural wind means the wind will suddenly increase or decrease.
How long should the filter last before replacing it? We have been using ours for a month and there is a bad odor coming from the water and it appears it needs a new filter? What can we do to remove the odor? Thank you.