Technology
Evaporative humidifiers blow dry air over wet filters
HERE’S THE INTERESTING PART
To fix the incredibly dry air in your bedroom, you literally just need a wet sponge and a fan. Evaporative humidifiers aggressively soak a highly porous paper wicking filter in a basin of water. A motorized fan then violently blasts dry room air directly through the soggy paper, forcing the water to evaporate instantly and spitting humid air into your face.
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