Waterpik Replacement Triple Sonic Brush Heads STRB-3WB feature a soft, high-low bristle pattern that gently but effectively removes plaque from hard-to-reach areas. The advanced brush head design includes a built-in tongue scraper on the reverse side, which helps maintain fresh breath. Compatible with Waterpik Complete Care 5.0 WP-862 and Waterpik Complete Care 9.0 CC-01 3 replacement toothbrush heads per package Replace every 3 months