3/6/10pcs 20mm Ceramic Disk Kit 1.70MHZ Frequency High Output Atomization Amount Replacement Repair Part for Humidifier

20mm Ceramic discs replacement kit. 1.70MHZ frequency with high output atomization amount. High temperature calcined, which is anti-aging, anti-corrosion and durable. 3/6/10pcs 20mm Ceramic Disk Kit 1.70MHZ Frequency High Output Atomization Amount Replacement Repair Part for Humidifier. Features: brand new and high quality. 20mm Ceramic discs replacement kit. 1.70MHZ frequency with high output atomization amount. High temperature calcined, which is anti-aging, anti-corrosion and durable. Easy installation and change, mainly used for household humidifier. What You Will Get: 3x/6x/10x ceramics discs(optional), comes with replacement for key. Specifications: Material: Metal+Plastic. Diameter: Approx. 20 mm/0.78 inch. Color: Black+White+Silver. Frequency: 1.70MHZ. Package Includes: 3x/6x/10x Ceramics Discs with Replacement for Key(Optional). note: Please allow 1-2cm errors due to manual measurement, pls make sure that you do not mind before you order. Due to the difference between differen