TIPS: ONLY FIT FOR HP126AB !!! HP126AB SAME AS SECEND PICTURE.

Electric Toothbrush Brush Head x 6 solely compatible for Sonic Electric Toothbrush - HP126AB

3D CUTTING DESIGN brush head removes 10X more debris along the gum line & teeth gap.

Each ELECTRIC TOOTHBRUSH HEAD lasts up to 3 months, so it will be more than 1.5 years for 6 in total.