Ⅰ. Works with models: WF-02EC, WP-100EC, WP-112EC, WP-462EC, WP-250EC, WP-108EC, WP-450EC, WP-861EC, WP-560EC, WP-562EC, WP-660EC, WP-662EC, WP-674EC Ⅱ. Interchangeable Floss Tips: Designed for universal use and designed to clean deep between teeth and below the gum line. Clinically proven to be twice as effective as floss for gum health. Ⅲ. Advanced Design: These tips are for daily use to remove plaque and prevent gum disease and improve oral health. Compatible with Waterpik water flossers, including rechargeable, cordless freedom, cordless plus, cordless professional and cordless select. Ⅳ. Material: ABS Ⅴ. Color: Transparent + Random color Ⅵ. Note: Do not accept the color shown Ⅶ. Package Contents: 10 x Dental Irrigator Tube Ⅷ. Only the above package contents, other products are not included, may cause the color of the item in the picture a little different from the actual item. Ⅸ. Measurement error +/- 1-3cm.