Zymo Research R1107-E DNA/RNA Shield Collection Tube w/Swab – Dx (1ml fill), Zymo Research, 50 Pack/Unit - 11-358SW | Genesee Scientific Zymo Research R1107-E DNA/RNA Shield Collection Tube w/Swab – Dx (1ml fill), Zymo Research, 50 Pack/Unit - 11-358SW | Genesee Scientific