Tube Holder Single Variable Flow, only Back Catalog number: 800072 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request 811-9975-50 Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Price on request 811-9970-50 Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Price on request