Photo 1 of Waterpik Nano Compact Water Flosser, WP-310 White. The Waterpik Nano WP-310 countertop water flosser in White delivers full-size water flosser performance in a compact and portable design, making it perfect for smaller spaces. The reservoir can be inverte

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Photo 1 of Waterpik Nano Compact Water Flosser, WP-310 White. The Waterpik Nano WP-310 countertop water flosser in White delivers full-size water flosser performance in a compact and portable design, making it perfect for smaller spaces. The reservoir can be invertePhoto 2 of Waterpik Nano Compact Water Flosser, WP-310 White. The Waterpik Nano WP-310 countertop water flosser in White delivers full-size water flosser performance in a compact and portable design, making it perfect for smaller spaces. The reservoir can be invertePhoto 3 of Waterpik Nano Compact Water Flosser, WP-310 White. The Waterpik Nano WP-310 countertop water flosser in White delivers full-size water flosser performance in a compact and portable design, making it perfect for smaller spaces. The reservoir can be inverte