Air/Water Syringe Tips - assorted colors, 250/Bg. Disposable. No converter required on most common syringes. Interchangeable with metal tips. Separate air and water channels to eliminate crossover. Inner tube does not shift under pressure. Built strong for cheek retraction. Locking indicator and wide locking groove ensure tip is in place and safe. Smooth edges. Bag of 250 tips - assorted colors (blue, purple, pink, orange, and green). Package of 250 syringe tips