Sterilex Ultra Liquid - 10 Application/Bx. Cleaner for dental unit waterlines. EPA-registered product for the removal of biofilm and biofilm bacteria. EPA-registered for removal, suppression, prevention of biofilm in dental unit water lines. 1 Bottle each of Solution A (3 oz.) & Solution B (3oz.) per pack. Carton of 10 Applications. Carton of 10 applications