Tube Holder Quad Variable Flow, only Back Catalog number: 800075 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 111U-CUMENE Cumene Gas Detector Tube for 20-140 ppm, pk/10 Price on request 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Price on request