12/16/36Replacement Toothbrush Heads Compatible for Brush Head 1100 2100 4100 4300 5100 5300 6100 6500 etc(28pcs)

- Functions as Replacement Toothbrush Heads available in 12pcs, 16pcs, 36pcs options, specifically designed to be compatible for brush head models including 1100, 2100, 4100, 4300, 5100, 5300, 6100, 6500 etc. - Features multiple quantity choices (12/16/36pcs), tailored to meet diverse needs?suitable for individual short-term use, family sharing, or long-term stockpiling without frequent repurchases. - Aligns with the structural specifications of 1100/2100/4100/4300/5100/5300/6100/6500 etc. brush heads, ensuring precise fit with corresponding toothbrush handles to avoid loose connection. - Matches the basic functional design of the targeted brush head models, adapting to daily use needs while maintaining the toothbrushes’ normal performance throughout the usage cycle. - Meets practical toothbrush replacement demands, combining flexible quantity options, broad compatibility for multi-models, and reliable usability for long-term daily use.