10/20X Replacement Brush Heads Compatible for X/X PRO/ Z1/ F1/ One/Air 2 /SE Sonic(20pcs Black)

- Offered in 10-piece and 20-piece options for replacement. - Compatible with X, X PRO, Z1, F1, One, Air 2 and SE sonic models. - Works as replacement parts for sonic devices. - Fits the installation structure of corresponding cleaning tools. - Suitable for daily cleaning and routine maintenance.