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Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments
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32S4120-LFPN: Jameco ValuePro : Audio Buzzer Piezo 12VDC 7mA Solder 3VDC 3500Hz to 4500Hz Through Hole : Electromechanical
![Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments](https://images-na.ssl-images-amazon.com/images/I/31pvVX5QxQL._AC_UL210_SR210,210_.jpg)
Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments
![Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments](https://m.media-amazon.com/images/I/31HMl1zNwOL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments
![Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments Amazon.com: 50pcs 20mm Thickness 0.33mm Piezo Disc for Buzzer Pressure Sensor Speaker : Musical Instruments](https://m.media-amazon.com/images/I/31HMl1zNwOL.jpg)