Single Tube Holder Kit, 7-10 x 175mm

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

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

Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX