Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing Back Catalog number: 800136 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800251 Tube Holder Kit, Dual Variable Manifold (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) Price on request 811-9977-20 Sorbent Tube, XAD-2, 6X110, 120/60, 20/BX Price on request 811-9970-50 Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Price on request