after I repair / exchanges with the old Airfloss HX8111 / 02 had in nearly 2.Jahren 4 (four!) behind me, I am now the owner of the successor instrument HX8281 / 02. To date the unit is working as desired. Only the fit between handset and charging station is a bit tight, so it stuck here while losing weight ..... I had to date with the predecessors never ... But otherwise good !!!