URGGU 55KHz Ultrasonic Cleaner – Jewelry, Glasses & Dentures adjustable AC cover A: This set includes 4

A: This set includes 4 replacement propellers

"name": "Is the misting fan noisy during operation

A: The shelf life after opening is 36 months (3 years)

"name": "Is this adapter safe to handle and use daily

URGGU 55KHz Ultrasonic Cleaner – Jewelry, Glasses & Dentures adjustable AC cover A: This set includes 4URGGU 55KHz Ultrasonic Cleaning Machine Effortlessly Clean Glasses, Jewelry, Dentures & More Meet the URGGU Ultrasonic Cleaning Machine a compact, powerful home appliance that harnesses advanced 55KHz soundwave technology to deliver a thorough, hands free clean for your most treasured everyday items. Whether it's your eyeglasses, fine jewelry, dentures, makeup brushes, or watches, this ultrasonic cleaner gets into every crevice that a toothbrush or