Tube Holder Single Variable Flow, only Back Catalog number: 800072 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200104-10 Tube Holder Housing, 5 x 150mm, 1/2", S255 [Kitaga Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 811-9973-50 Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Price on request