Effective Clean: With curved bristles design, Oral B precision clean has 3 types of bristles size for precise clean. Meanwhile, REDTRON Precision brush heads can surround and reach deep in-between teeth, helping to remove 5X more plaque along the gum line compared with a manual toothbrush. Comfortable & Durable: REDTRON electric toothbrush heads adopt DuPont filaments which show excellent wear performance and greater bend recovery. The precise control over our production process ensures that filaments feature optimal end-rounding for greater comfort. Fit for Most Snap-ON Handles:REDTRON toothbrush head refills can fit for Oral B snap on toothbrushes such ad PRO, GENIUS,VITALITY and SMART series. REDTRON toothbrush head refill can not fit for Pulsonic und iO. Great Value Family Variety Pack: Work as well as original heads at a reasonable price, REDTRON 16 pcs toothbrush refills can accompany you the whole year. Each brush head has a color coated ring for identification, making REDTRON valuable toothbrush heads a perfect pack for family share without mixing them. Replacement Heads Reminder: Dentists recommend replacing your brush heads 3 months, or earlier. Replace sooner if brush headbecomes loose due to damage<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store