MEDIUM, TRANS UTM BULK W/O BEADS 16X100MM 3ML (50/PK 6PKS/CS 3 mL of UTM-RT® medium in 16 x 100 mm screw-cap tube with internal shaped conical bottom - without beads Without swabs 50 tubes per package 6 x 50 tubes per box UTM-RT® consists of an enriched Hanks' Balanced Salt Solution (HBSS) that supports virus preservation