Sorbent Tube, Silica Gel, treated w/p-methoxyphenol, 8 x 150-mm size, 2 sections, 1200/600 mg sorbent, 20/40 mesh, 10Pk (226-70A)

Sorbent Tube, Silica Gel, treated w/p-methoxyphenol, 8 x 150-mm size, 2 sections, 1200/600 mg sorbent, 20/40 mesh, 10Pk (226-70A)