Water Flosser for Philips Sonicare AirFloss PRO Ultra HX8340 8350 with Charger | eBay
Amazon.com: 400mAh Power Flosser Battery Compatible with Philips Sonicare AirFloss Pro/Ultra HX8140/ HX8240/ HX8340/ HX8341/ HX8381/ HX8401, Water Flosser Replacement Parts : Health & Household