Ultrasonic Atomizer for Humidifier 1. Type:Glass-glazed; 2. Diameter:25mm; 3. Frequency:1.7MHz; Ultrasonic Atomizer for ... ceramic element, SMD magnetic transducers, condenser microphones, ultrasonic sensor,Atomization piece, speakers and other audio components. ... watches, toys, alarm systems, reversing radar, ultrasonic cleaning, ultrasonic atomization, marine fish exploration, the range of ...