Rajasthani F16 mm Ultrasonic Mist Maker Fogger Ceramics Discs for Humidifier Parts - 2 Piece Description:3 pcs 20mm Ultrasonic Mist Maker Fogger Ceramics Discs with Wire and Sealing Ring New Î¦20mm Ultrasonic Mist Maker Fogger Ceramics Discs with Wire and Sealing Ring Diameter: Î¦20mm Thickness: 1.24 ± 0.01mm Frequency: 1.7MHz Quantity: 3pcs This mist disc with wire can not be connected with power directly, it needs a separate driver "circuit" We are not responsible for any experiments done, Burn, blast, broken disk "due to experiments" will not be replaced.