The 20-in-1 mixed virus sampling kit is mainly used for large-scale screening, especially for COVID-19 asymptomatic carriers. It is often used in large-scale testing projects such as schools, factories, and unit cities. Product parameters Product Name  VTM Kit/Disposable Virus Sampling Kit/Virus Transport Medium/Virus Sampling Tube/Virus Sampling Kit for Covid Model Number MVTM-15A Brand Name MEIDIKE GENE Material Medical Grade PP, …