4/8/12/16pcs Replacement Toothbrush Heads Compatible for PhilipsReplacement Electric Brush Head 4100 6500 6100 7500 5300 1100(12pcs White)

- It is recommended to replace it every 3 months, in line with oral care habits. - Gentle vibrations make the cleaning process more comfortable. - Reduces tartar formation and maintains oral health. - The bristles are durable and not easily bent. - The brush head is small and flexible, reaching deep into the back teeth areas.