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

Tube Holder Housing End, 1/2" for 6mm OD

Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi

Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX