Ultrasonic Humidifier Ceramic Disc

This 25mm ceramic disc replaces the atomising element in ultrasonic humidifiers. It is manufactured from fully densified ceramic via high-temperature calcination, resulting in a hard, non-porous, electrically insulating disc with consistent physical properties. Diameter: 25mm; thickness: 1.8mm; weight: ~2.3g. Functions as the piezoelectrically active layer in the transducer stack — vibrating at ultrasonic frequencies to generate capillary waves on the water surface, producing cool, fine mist. Its material consistency ensures predictable impedance loading for standard humidifier driver boards. Designed for users performing in-home servicing of compact humidifiers — especially those experiencing reduced mist output, intermittent operation, or audible clicking — all symptoms commonly traced to degraded ceramic discs.