JPL-Ultra-8060D-H-Ultrasonic-Cleaner-3-Litre-James-Products-ULTRA-8060-P-Ultrasonic-cleaners-work-by-producing-high-frequency-sound-waves-that-are-transmitted-into-a-tank-containing-a-cleaning-solution-These-waves-create-millions-of-microscopic-bubbles-that-effectively-scrub-items-clean-The-tiny-bubbles-create-brilliant-cleaning-results-not-only-on-the-surface-of-an-item-but-also-by-penetrating-the-finer-detail-&-recesses-in-jewellery-&-other-small-items-to-restore-them-to-their-for