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Sorbent tube, Silica Gel, 150/150, 7 x 110 mm, sealed ends, 50 pcs
Sorbent Tube, Silica Gel, 7 x 110-mm size, 2 sections, 150/150 mg sorbent, 40/60 mesh, with GS ends and WWW separators, fits Type B tube cover, pk/50