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The Waterpik Cordless 1100 is a compact, rechargeable flosser designed for travel and small bathrooms. It features a waterproof build for shower use and two pressure settings to manage gum sensitivity. At $47.99 at Best Buy as of November 7, 2026, it sits at a competitive entry-level price for the brand's cordless lineup.
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Lowest price we've seen: $47.99 on Nov 7 at Best Buy. Tracked across 1 store since Nov 7.
Users generally appreciate the quiet motor and portability, though some find the water capacity insufficient for a thorough clean. It is highly rated for its ease of use and effectiveness in improving gum health compared to traditional floss.
Rechargeable, portable, and a waterproof design makes the Cordless 1100 water flosser perfect for smaller bathrooms, travel, and use in the shower. It offers ultra-quiet operation and an ergonomic non-slip hand grip for ease of use. The Cordless 1100 water flosser comes with 1 Precision (Classic) flossing tip, 2 safe and effective settings (low/high), global voltage compatibility, and a removable water reservoir with up to 45 seconds of flossing time. Removes up to 99.9% of plaque bacteria that causes gingivitis, bleeding gums, cavities, and bad breath from treated areas and is 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 Cordless 1100 water flosser is accepted by the American Dental Association (ADA) for safety and effectiveness.
