Ultrasonic Jewelry Cleaner By Bogue Systems + Blitz Liquid Jewelry and Gem Cleaner + More Perfect Ultrasonic Cleaner .. First planet friendly ultrasonic jewelry cleaner No chemicals, just add water for a true ultrasonic clean Energy efficient timer saves electricity .. Ultrasonic Cleaner System Advanced sound wave technology ... Creates millions of microscopic cleansing bubbles - Automatic 3-minute cleaning cycle and auto shut-off Bought to you by BogueSystems- The first ultrasonic jewelry cleaner. Since 1892