Troubleshooting How to use your AirFloss Fill & Charge station Want to know how to correctly use your Philips Sonicare AirFloss Fill & Charge station? Follow these simple steps. Instructions Press the AirFloss handle all the way down in the Fill & Charge station to fully secure the handle. Press the handle back towards the reservoir until you hear a click (see image below). It will take 10 seconds to completely fill the AirFloss handle After filling the handle, press the eject button on top of the Fill & Charge station. Your Sonicare AirFloss is ready to use.