Frequently Asked Questions Where can I buy Philips Sonicare AirFloss and accessories? Philips Sonicare AirFloss and accessories can be purchased online or in store. Online store Our products are available for purchase online, for example in the Philips online store, Amazon, Walmart and many more. To check the full list, click here. Retail shop Philips products are also available for purchase in store nearby. To find a store nearby, click here.