Sorbent Tube, Carbon Beads treated w/potassium hydroxide w/PTFE Filter, 16 > 8 x 85-mm size, 2 sections, 100/50 mg sorbent, 20/40 mesh 226-142

Sorbent Tube, Carbon Beads treated w/potassium hydroxide w/PTFE Filter, 16 > 8 x 85-mm size, 2 sections, 100/50 mg sorbent, 20/40 mesh 226-142