Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9983-50 Sorbent Tube, Porapak-Q 6X110, 150/75, 50/BX Price on request 158S Sensidyne Gas Detector Tubes, Styrene (2.5-300 ppm), pk/10 Price on request 7013601 TUBE TIP CUTTER Price on request