Frequency: 1.70MHz;Hight Output Atomization quantity .
Ceramic replacement disc diameter is 20mm (now not come with rubber ring)
Simple to modify and install,This Ceramic Disc is basically used within the household humidifier.
Top temperature calcined ceramic atomizer, Anti-aging, anti-corrosion, sturdy.
Package comprises: 6 x 20mm Ultrasonic mist maker discs ,1x Replacement Tool