Classic jet tip for deep cleaning between teeth and below the gum line. Twice as effective as floss in improving gum health, perfect for everyday use to remove plaque, help prevent gum disease and enhance oral health. Easy replacement, package includes 1 water flosser nozzle. Recommended to replace every 3-6 months based on usage frequency. Specifications: - Material: ABS - Color: Pink/White/Blue/Green/Black/Purple/Orange/Grey (as pictured) - Size: As Pictured Applicable models: - For Waterpik: Suitable for WP-100/WP-250/WP-450/WP-560/WP-660 series, WP-811/WP-861W/WP-900/WP-940/WP-950; Not for WP-60/WP-70/WP-72/WP-360/WF-03EC/WF-02. - For Flycat: Suitable for FC168/FC188/FC158; Not for FC159. - For waterpulse: V300/V400/V600/V660. - Not compatible with other brands. Note: Please allow 1-2cm errors due to manual measurement. The picture may not reflect actual color due to monitor differences.