For me, this "replacement brush" did not on my Sonic Complete, which meant that: - The brush on the slot while brushing wobbles, - The unit makes a huge row with these essays - The wonderful feeling of cleanliness Sonic Complete order does not stop - No sonic effect is possible - You need an immense pressure, so anything at all is clean - The brushes are worn out within a week
If the 10 were not a trifle, I would submit such a product immediately due to product defect!
