Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 124SA Sensidyne Gas Detector Tubes, Toluene (10-500 ppm), pk/10 Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 106SC Carbon Monoxide 1-50 ppm Gas Detector Tube, pk/10 Price on request