Sorbent Tube, Porapak-R 6X70, 70/35, 50/BX

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

Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10

Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft)