8Pcs Replacement Toothbrush HeadsCompatible for Philips Electric(4White 4Black)

- Micron-sized sharpened bristle: The tip is as fine as 0.01mm, effectively cleaning the dirt in the gaps between teeth - Sound wave vibration adaptive design: No attenuation of vibration frequency, comparable cleaning power - High resilience and flexibility bristles: Does not deform upon pressing, reducing the probability of gum bleeding - Precise slot lock mechanism: Can be disassembled and assembled in one second without loosening, avoiding the brush head from falling off during brushing - 8Pcs Replacement Toothbrush Heads，Compatible For Philips Electric Toothbrush