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The Waterpik Ion Professional is a cordless water flosser with a rechargeable lithium-ion battery rated for up to four weeks of use per charge. It offers 10 pressure settings, 1,300 pulses per minute and a 20-ounce reservoir that runs 90+ seconds per fill, plus seven tips including a plaque-seeking tip and a toothbrush tip. That makes it one of the more adjustable cordless models, though it is bulkier and heavier than compact travel flossers. It suits people who want countertop-level control without a cord and are willing to trade some portability for capacity and settings.
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Lowest price we've seen: $129.99 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.
Owners generally rate the Ion Professional well for its pressure range, long battery life and large reservoir. Common complaints center on its size and weight and on water splashing when the reservoir is full.
