Sorbent Tube, XAD-7, Tube A: specially cleaned, 8 x 110-mm size, 1 section, 175 mg sorbent, 20/40 mesh; Tubes B and C: 8 x 110-mm size, 1 section, 175 mg sorbent, 20/40 mesh, 20 Sets

Sorbent Tube, 3 XAD-7 tubes. All three tubes are 8 x 110-mm size; Tube 1, specially cleaned, 1 section, 175 mg sorbent; Tubes 2 and 3, 1 section, 175 mg sorbent, 20/40 mesh. Tube Ends: Glass Sealed Tube 1 Separators: Glass Wool/Glass Fiber Filter/Glass Wool Tube 2 and 3 Separators: Glass Wool/Glass Wool/Glass Wool