2/4 PCS Compatible for T501/T501C Electric Toothbrush Head(4pcs White)

- Electric toothbrush heads compatible with T501 and T501C, available in 2 and 4-piece packs - Dual pack size options meet different short-term replacement demands - Precise fit ensures secure attachment to the handle, preventing loosening during use - Tool-free installation allows quick and hassle-free replacement whenever needed - Compact and lightweight design enables easy storage and convenient carrying for home use