The SonicAir 23L Humidifier has been designed for medium to small grow rooms, which would be overpowered by the SonicAir Pro.
SonicAir 23L Humidifier is capable of a maximum output of 1440ml per hour, which is fully adjustable so you can increase or decrease mist levels to fine-tune the humidity in your grow space. The water tank includes a filler lid which allows the tank to be topped up using a hose. Removing the need the of taking the unit apart.
Available as an optional extra for the SonicAir 23L is a float valve. This allows the humidifier to be connected to a water butt. Removing the need to check and refill the unit on a regular basis.