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

Sorbent Tube, TenaX, 8X110, 100/50, 50/BX

Tube Holder Collar Clip, for 3/8" OD, 1/4" ID Tubi

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