16/36Replacement Toothbrush Heads Compatible for Philips Electric Brush Head 1100 2100 4100 4300 5100 5300 6100 6500(36pcs)

- 16/36 replacement toothbrush heads, fitting 1100/2100/4100/4300/5100/5300/6100/6500 electric brushes. - Act as substitutes for standard heads to keep the electric brush functioning. - Easy to install?attach to compatible models , no complex steps. - Multiple pieces enable regular replacement, aiding consistent oral care. - Made for listed models, ensuring proper fit to maintain electric brush use.