Item : B000AUIFCA Customer Reviews Good but not sure about floss action by .. S. Vargas Soto (Bellevue, WA) Heads work great with the Oral B electric toothbrush but for regular use only. The floss action is not that great. Good brush for the top Power toothbrush, the Oral B by .. tacmac (Tacoma, WA) Effective brush head for cleaning teeth. As with any electric toothbrush, personal preference is uppermost. This combo of Oral B Floss Action and a compatible Oral B power handle (8 or 9 thousand series) is the best I have used. replacement head for Oral B electric brush by .. J. Wirschint (Palm Harbor, FL) every body in my family using different heads, those are the ones I use and I love them Not for Tender Teeth by .. T. Hagler (Wesley Chapel, FL) The advertised "floss action" comes at the expense of somewhat rough treatment. I subsequently purchased the Oral B Sensitive brush heads and found them to be much more comfortable. Best Yet... by .. J. Davis (Raleigh, NC) Electric toothbrushes seem to improve each time a newer model hits the market. So too, do the replacement heads, and this version is the best yet. Durability is the most important quality, and these hold up well. Try 'em, you'll buy 'em!