Tube Holder Single Variable Flow, only Back Catalog number: 800072 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 800229 Tube holder plug for manifold Price on request 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request