Tube Holder Triple Variable Flow, only Back Catalog number: 800074 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200104-10 Tube Holder Housing, 5 x 150mm, 1/2", S255 (pkg of 10) Price on request 800136 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing Price on request 124SA Sensidyne Gas Detector Tubes, Toluene (10-500 ppm), pk/10 Price on request