Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX

Tube Holder Kit, Dual Variable Manifold (Includes

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

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