1. Nasopharyngeal Swabs have been certified free of inhibitors and interference, collection swabs are free of any PCR inhibitors, certificate of analysis available for each lot of manufacture.
2. Flocked swabs use ergonomic and anatomic design, perpendicular nylon fiber acts like a soft brush thus improves patient comfort and efficiency. And the Nasopharyngeal swabs also feature a unique molded breakpoint that allows you to safely and easily break off the swabstick, and several breakpoint options are available for different tubes.