Fast Dams 100-Pack anatomically-shaped dry-field isolation units. For use

Fast Dams - 100-Pack anatomically-shaped dry-field isolation units. For use in place of cotton rolls to retract cheek and tongue while maintaining a dry field. 17 suction holes along the perimeter aspirate continuously. Smooth rigid plastic construction. Fits into all standard saliva ejector valves. Will not aspirate soft tissue. Includes 50 left and 50 right units per pack.