1,Made of ABS material, non-toxic and durable to use. 2,Clean allergens such as dust, dirt and pollen in the nasal cavity and sinus. 3,Reduce sinus infection, assist in the treatment of rhinitis, prevent colds. 4,Perfect replacement part, fit for Waterpik WP-100/100W/112/260/300/440c/450/450EC/462/560/562/563/565/660/670/672/674/676/861W/862W//900/950/952,WF-02, WF-03, and Oralcare OC-1200, OC-1600. 5,This set includes multiple nozzles, suitable for family use. Features: Made of ABS material, non-toxic and durable to use. Clean allergens such as dust, dirt and pollen in the nasal cavity and sinus. Reduce sinus infection, assist in the treatment of rhinitis, prevent colds. Perfect replacement part, fit for Waterpik WP-100/100W/112/260/300/440c/450/450EC/462/560/562/563/565/660/670/672/674/676/861W/862W//900/950/952,WF-02, WF-03, and Oralcare OC-1200, OC-1600. This set includes multiple nozzles, suitable for family use. Specification: Item Type: Nose Irrigator Nozzle Material: ABS Quantity: 4pcs, 6pcs Color: As the Picture Shows Fitment: Fit for Waterpik WP-100/100W/112/260/300/440c/450/450EC/462/560/562/563/565/660/670/672/674/676/861W/862W//900/950/952,WF-02, WF-03, and Oralcare OC-1200, OC-1600. Package list: 4pcs/set of Nose Irrigator Nozzle Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.