Whuppsi Toothbrush Heads Fit for Bitvae Rotary Electric Toothbrushes, White, 8PCS, Ultrathin Bristles, ONLY for Type R1 R2

["ONLY FOR R1 and R2: This replacement head is specially designed for Bitvae R1 and R2 rotating electric toothbrushes. It is not suitable for other models of Bitvae toothbrushes.","WITH ULTRATHIN BRISTLES: Ultrathin Bristles around the head, they can clean the hard-to-reach areas between the teeth. It provide a floss like clean and more plaque removal.","WITH HIGH-DENSITY BRISTLES: More comfortable while brushing teeth.","HIGH-QUALITY BRISTLES: Brand WHUPPSI replacement toothbrush heads are all made of End-rounded DuPont bristles.","SIMPLE PACKAGING: Compact packaging with less use of packaging materials."]