Waterpik Cordless Express Portable Water Flosser
4Best price now
$16.00at MercariObserved at 4:33 PM
43% under what the other stores charge
Compared across 5 stores. Prices are checked against each store and labelled with when.
43% under what the other stores charge
Compared across 5 stores. Prices are checked against each store and labelled with when.
The Waterpik Cordless Express is a battery-powered water flosser that runs on three AA batteries and is sealed for shower use. It trades the rechargeable battery and large reservoir of Waterpik's countertop and rechargeable models for a light, cheap, travel-friendly body. It ships with two Precision tips and three AA batteries. At $16.00 at Mercari as of November 3, 2026, it sits at the low end of its recent range, well under the roughly $30 to $40 it commonly sells for new.
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In stockSold by Waterpik, Inc.
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Lowest price we've seen: $16.00 on Nov 3 at Mercari. Tracked across 5 stores since Nov 3.
With 4 out of 5 from 2,857 ratings, owners treat it as a cheap, portable supplement to flossing rather than a countertop replacement. Most praise the price and the shower-friendly design; the recurring complaints are the small tank and weak, fading pressure as batteries drain.
Portable, AA battery operated and waterproof, the Waterpik Cordless Express portable water flosser is a great choice for smaller bathrooms, travel, and use in the shower, making it easy for anyone to have healthier gums and cleaner teeth in 1 minute a day. And it's great for anyone with braces, implants, crowns, bridges, or periodontal pockets. It includes 2 Waterpik Precision tips for general use, 3 AA replaceable batteries, and an easy-to-use ergonomic design. Waterpik water flossers remove up to 99.9% of plaque bacteria that causes gingivitis, bleeding gums, cavities, and bad breath from treated areas and are clinically proven up to 2X as effective as string floss for removing bacterial plaque and improving gum health. Waterpik is the #1 water flosser brand recommended by dental professionals, and the Waterpik Cordless Express water flosser is accepted by the American Dental Association (ADA) for safety and effectiveness.
