Replacement Toothbrush HeadsCompatible for Philips Sonicare Electric Brush Head 1100 2100 4100 4300 5100 5300 6100 6500(20pcs)

- Replacement brush heads compatible with multiple specific electric toothbrush models to meet daily replacement needs. - Easy to install and remove, making daily replacement hassle-free. - Fits corresponding toothbrush designs, stable without loosening during use. - Suitable for regular care scenarios, matching daily usage rhythms. - As a dedicated accessory, it helps maintain the normal use of electric toothbrushes.