Viral Transport Medium Vtm Tube with Naso Swab Zhejiang Show Bo Electronic Technology CO., Ltd. Base Info Type:CatheterMaterial:100% NylonEthylene Oxide Sterilization:NoQuality Guarantee Period:2 YearsGroup:AdultSize:148mm, Total Length: 148mmOrigin:China Description Pre:3ml Universal Viral Transport Medium Activated and Inactivated Vtm Gel Tube Next:Sample Collection Tube with Vtm Nasal Swab Pharyngeal Swab with Vtm Tube 10ml