Which type of Humidifier is composed of water-filled canister containing electrodes?
A. Infrared Humidifiers
B. Water Canister Humidifier
C. Steam Canister Humidifier
D. Ultrasonic Humidifier
Which type of Humidifier is composed of water-filled canister containing electrodes?
A. Infrared Humidifiers
B. Water Canister Humidifier
C. Steam Canister Humidifier
D. Ultrasonic Humidifier