Replacement Toothbrush HeadsCompatible for Philip Sonicare Electric Brush Head 1100 2100 4100 5100 5300 6100 7500(4A1)

- High-density hair placement design: Multiple bristles are arranged in each hole, increasing the cleaning contact area and enhancing cleaning efficiency. - Smooth and soft bristles: The tips of the bristles are finely rounded, gently caring for the gums and preventing gum bleeding during brushing. - Deep cleaning with no blind spots: The scientific proportion of long and short bristles allows for deep penetration into the gaps between teeth and the gum grooves, removing dental dirt. - Easy to remove and install: Press one button to disassemble, no tools required. The replacement process only takes 3 seconds. - Replacement Toothbrush Heads，Compatible For Philip Sonicare Electric Toothbrush Brush Head 1100 2100 4100 5100 5300 6100 7500