Compatible for Electric Toothbrush Heads Compatible with D7/D8/FW507/FW508/FW551/917/959/SG-E9 Moderately Soft Bristles Brush(20pcs Black)

- Compatible with electric toothbrush models including D7, D8, FW507, FW508, FW551, 917, 959 and SG-E9, designed to match the device’s connection structure for seamless assembly - Features moderately soft bristles that can fit the contours of teeth and gums to support daily oral cleaning procedures - The brush heads can be installed and replaced without complex steps, allowing for quick switching to maintain regular cleaning routines - The design of the brush heads aligns with basic daily oral care needs, working in conjunction with the electric toothbrush for routine use - The brush heads’ bristle density and softness are set to fit general oral cleaning scenarios, matching the operation of compatible electric toothbrush models