Continuously delivers a powerful, silver-based chemical treatment for up to 365 days with no daily maintenance. Built-in shock treatment automatically releases to kill pre-existing, odor-causing bacteria, ensuring lines are clean and maintained to ≤10 CFU/mL. Does not contain oxidizers, such as iodine or chlorine, and meets all BMPs for amalgam separators. Straw and Sterisil Antimicrobial Bottle sold separately.