This universal ultrasonic fogger replacement discs is made from ceramic covered with sealing ring. Comes along with the power dirver board, just connect it to the DC 3-12V power supply then it will turn into a DIY ultrasonic humidifier widely used in the ultrasonic diffuser repair.

Specifications:
Discs Diameter: 20mm/0.79inch
Resonant Frequency: 110KHz
Resonant Impedance: < 2 ohm
Static Capacitance: 3000pF
Working Voltage: DC 3.7-12V
Spray Volume: > 110mL/h

Package: 1X 20mm Ultrasonic Mist Maker Ceramic Discs; 1X Power Driver Board
No instruction included, but provide application consulting service by email.

-----------------------------❤❤ Warm Prompt ❤❤-----------------------------
❤ New batch has been retest with very few defective, please rest assured to buy it, we provide application consulting service by email, and replace service for free in case you receive a defective one. Please send us an email firstly instead of a review if you meet problems, because your order number can not be found timely in comments list, but your inquiry could be answered within 12 hours, always at your service!

❤ To avoid it been damaged please note:
1, Please do not put it in water, but install it out of water surface;
2, Please make the side which install lead wires faces up, to avoid water to make it short circuit and damaged.

• 20mm diameter ultrasonic ceramic discs replacement parts covered with sealing ring
• Come along with the power driver board just provide the DC3-12V power supply it will turn into to a mini ultrasonic atomizer
• Spray Volume: > 110mL/h, Resonant Frequency: 113KHz , Resonant Impedance: < 2 ohm, Disc Diameter: 20mm/0.79inch
• Widely used in the medical ultrasonic atomization devices,portable USB humidifier and ultrasonic oil aromatherapy diffuser
• Fulfilled by Amazon usually spend 2-4 days to delivery, and fulfilled by seller usually delivery in around 17 days.