Compatible for 8pcs Replacement Toothbrush Heads Compatible with Brush Head 4100 6500 6100 7500 5300 1100

- Functions as 8pcs Replacement Toothbrush Heads, specifically designed to be compatible with brush head models including 4100, 6500, 6100, 7500, 5300, 1100, tailored for seamless replacement use. - Features a structure matching 4100/6500/6100/7500/5300/1100 specifications, ensuring the replacement heads fit precisely with the corresponding toothbrush handles to avoid loose connection during use. - Aligns with the replacement standards of 4100-7500 series brush heads, maintaining consistency with the original heads’ installation method for easy operation without extra tools. - Matches the basic functional design of 4100/6500/6100/7500/5300/1100 toothbrush heads, adapting to daily use needs while keeping the toothbrushes’ normal performance unchanged. - Meets practical toothbrush replacement demands, combining 8pcs pack convenience, broad compatibility for 4100-7500 series, and reliable usability for long-term daily use.