【Why Choose Ultrasonic Cleaner?. Ultrasonic cleaner can bring you a cleaner and safer experience. 【45kHz High Frequency Cleaning】The Ultrasonic Retainer Cleaner employs high-frequency 45kHz sound waves, effortlessly removing dirt from retainers, mouth guards, and denture appliances, reaching all the hard-to-clean corners and crevices without causing any harm to them.
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