Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Back Catalog number: 800249 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 200505 Tubing, 1/8" ID x 1/16" W, Clear PVC, (3 ft) Price on request 811-9972-50 Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Price on request