Get $40 Off On Philips Sonicare Water Flosser At Bestbuy.com. Designed for inconsistent flossers, this Philips Sonicare AirFloss water flosser can freshen up the mouth in 60 seconds for a speedy, superb clean. The flosser removes up to 99.9% of plaque to help prevent cavities between teeth. The customizable settings allow one to select single, double or triple bursts to clean the entire mouth in 1 minute. The rechargeable lithium-ion battery lasts up to 2 weeks per charge. The reservoir can hold up to 0.75 oz. of mouth rinse or water.