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Amazon Gold Box – up to 35% off iSonic ultrasonic jewelry/other cleaners: F3900 $29 Prime shipped (Reg. $40+), more

Today only, as part of its Gold Box Deals of the Day, Amazon is offering up to 35% off iSonic ultrasonic cleaners. There are 4 different models in the sale, each of which carries a 4+ star rating and is listed at the lowest price Amazon has ever offered them for.

A standout for the bunch is certainly the iSonic F3900 Ultrasonic Cleaner for $28.83 with free shipping for Prime members or in orders over $49. That’s 30% below the original listing, and the best price we can find by about the same amount. Perfect for cleaning everything from jewelry to mouth guards, this is a compact desktop-sized unit with auto shut-off, and more. Rated 4+ stars from over 340 Amazon customers.

Even the $28 option above can be comparable to professional cleanings, but you can take it up a notch with one of the more powerful options below.

More Top Picks from the Sale:

Speaking of keeping those diamond rings of your shiny, Amazon is also offering deep deals on jewelry today starting from just $100 shipped.

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