Tube Holder Dual Variable Flow, only Back Catalog number: 800073 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 118SC Sensidyne Gas Detector Tubes, Benzene (1-100 ppm), pk/10 Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request