The Handheld Cordless Precision Low-Flow Tip (formerly Classic Jet Tip) is designed for use with the WATERPIK Cordless Water Flosser WP-360. Ideal for cleaning between teeth and below the gumline, especially in sensitive areas. Clinically proven to be up to 2X more effective than string floss for plaque removal and improving gum health. Replace every 6 months. Includes 2 color-coded tips (colors may vary). To use, start at the back teeth, follow the gumline, and aim the tip at a 90-degree angle to remove plaque and debris.