I have this in my 2x4 and it does great. When I'm in flower this thing will maintain 50% humidity for almost a week without being refilled.
VIVOSUN Cool Mist Humidifier, 6L Quiet Ultrasonic Humidifier for Bedroom (Customized Humidity, Remote Control, Sleep Mode & Auto Shut Off, 360° Nozzle) https://www.amazon.com/dp/B087CTWPXG/ref=cm_sw_r_apan_glt_fabc_6QZD5RSRQ2AB2KDDJ03S?_encoding=UTF8&psc=1
|VIVOSUN Cool Mist Humidifier, 6L Quiet Ultrasonic…||$69.98||$69.98||4.4/5.0|
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