As one of its daily deals, Best Buy offers the Waterpik Cordless Plus Flosser in Black, model no. WP-462, or White, model no. WP-450, for $44.99 with free shipping. That's the lowest total price we could find for either color by $3. It includes two Classic Jet tips for general use, PlaqueSeeker tip, and orthodontic tip. Deal end today.