Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Back Catalog number: 811-9982-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tubing Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request 800074 Tube Holder Triple Variable Flow, only Price on request