Nano-Sonic replacement brush heads have soft, end-rounded bristles to gently, but effectively remove plaque from hard-to-reach areas.
Compatible with the following WATERPIK model only: Nano-Sonic Toothbrush (AT-50)
Replace: Every 3 months as recommended by the American Dental Association
Includes: 1 replacement toothbrush head per package
CALIFORNIA PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.