Opalescence 35% Gel Syringes Teeth Whitening - Refill Kit (4 Packs / 8 Count) Carbamide Peroxide. Made by Ultradent, in Cool Mint Flavor. Tooth Whitening Refill Syringes 5197-4

Its easy syringe delivery, four concentrations of carbamide peroxide 35%, and three great-tasting Mint Flavor allow for maximum flexibility based on your needs. It is also certified gluten free and ce...