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, 5/8", for 1/4" OD, Open E

Tubing, 1/4" ID x 1/16" W (3 ft), Clear Vinyl, Gil