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Kerr's distinctive purple-colored 37.5% phosphoric acid gel is designed for maximum etching efficiency. Its perfect viscosity allows the material to stay where it is placed, yet can be rinsed off easily. Features and Benefits: Perfect viscosity - stays where you place it No separation - delivery is always clean and easy Vibrant purple color - highly visible Rinses clean with minimum effort, easy to use Kit: 3 x 3 g Gel Etchant Syringes, 30 Dispensing Tips

 Includes 3 Syringes (3 g each) 30 Dispensing Tips (disposable) Refill (pkg of 30)