Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Back Catalog number: 800135 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9985-50 Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request 200505 Tubing, 1/8" ID x 1/16" W, Clear PVC, (3 ft) Price on request