The Sterisil Straw delivers powerful treatment through Silver-Ion technology with simplicity and consistency. Eliminate the hassle of dropping daily tablets and provides worry-free waterline treatment for 365 days! As an added bonus, the Straw has a built-in shock treatment which releases automatically to kill preexisting odor causing bacteria. The Sterisil Straw has a quantified EPA claim of ≤10 CFU/ml HPC purity and features a Luer Lock fitting, reducing installation and replacement time down to a minute. 20x better efficacy than iodine straws Continuous waterline treatment guaranteed for 365 days Built-in initial shock treatment Clinically proven to kill odor causing bacteria in dental unit waterlines Easy to install in any dental bottle No oxidizers that may damage handpieces or affect amalgam separators Municipal and Distilled formulations ensure optimal performance with a wide spectrum of water quality