Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX

Tube Holder Housing End, 5/8", for 1/4" OD, Open E

Sorbent Tube, Chromosorb-102, 8X110, 100/50, 50/BX

Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi