PAI4LEISI HX8012 AirFloss Ultra replacemnet nozzle for a more thorough and gentle cleaning of the interdental spaces Compatible with Philips Sonicare AirFloss HX8140 HX8211 Change nozzle every 6 months to keep the cleaning performance Product includes 2 new PAI4LEISI HX8012 replacement nozzles for Philips Sonicare AirFloss Flosser only; Not Philips product PAI4LEISI: Less Cost, Less Worry, Less Time, Less Difference 2 Count HX8012 Nozzles Airfloss Replacement Heads Compatible with Philips Sonicare HX8140 HX8211 Flosser Handle