Dark Green Mailbox Medium Metal US Mail Box Rural Size Outside Curbside Horizontal Farmhouse Classic, 20-1/2"L x 10-7/8"H x 8-1/2"W

At 45,000Hz of ultrasonic energy, the Ultrasonic Cleaner produces microscopic bubbles that dislodge contaminants that are harmful to your jewelry (and other metal staff) like sweat, oils, and lotions. In this process called “cavitation”, nanobubbles are deployed to get into even the most intricate of designs and clean up in the gentlest of ways.