FITS VOOM SONIC PRO 7 SERIES TOOTHBRUSHES: The Pro 7 Series Sonic is a dentist recommended, rechargeable, full-size sonic toothbrush that infuses innovative technology with functionality and patented design. This electronic toothbrush is one of a kind as it features 40,000 strokes per minute, 100% waterproof exterior, 5 adjustable speeds and a built in 2-minute timer with quadrant pacing. DENTIST RECOMMENDED: Who said you can only get a thorough and effective teeth cleaning at the dentist’s office? The Pro 7 Replacement Heads contains 6 soft bristle brushes made of Dupont Nylon for a comfortable brushing experience. SOFT DUPONT NYLON BRISTLES: Even healthy teeth can be delicate and sensitive. The Pro 7 Series replacement heads feature soft Dupont Nylon Bristles, giving you the smoothest 40,000 strokes per minute brushing. Thus, leaving you with a confident, beautiful, white smile. REPLACEMENT HYGIENE: For the best cleaning experience, Dentists recommends changing your brush head every 1 months. The Pro 7 Series Replacement heads come in a 6-pack of the Dupont Nylon brushes so replacement is easy, convenient and cost efficient. One purchase allows one year’s worth of best oral hygiene and a great brushing experience. FEEL THE VOOM: Here at Voom Sonic we take pride in our teeth and understand that our smiles can be our biggest asset. Voom Sonic was created for those that are passionate about oral hygiene as much as we are. We have collaborated with the best manufacturers all over the world with the sole focus of creating an innovative, technologically advanced, electronic toothbrush that will give you the clean you need.