Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX

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

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

Tube Holder Housing End, 1/2" for 5mm OD