Philips Sonicare EasyClean
Question about EasyClean - 439705
What is the difference between this and the HX6511/22 model, which has the same specifications but is almost twice as expensive?
Helpful answer
HX 6511/22 is new with sound vibrations 62000/min. Otherwise classic model HX 6511 is with 31000/min. No idea why it is sold twice as expensive.