Tube Holder Housing, 6x70mm, 1/2" OD, S225

Sorbent Tube, XAD-2, 6X110, 120/60, 20/BX

Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi

Sorbent Tube, Silica, DNPH, 6X110, 300/150, 100/BX