Detector Tube, Measurement Range 1.3 to 40 ppm/10 to 300 ppm/2.5 to 75 ppm/5 to 150 ppm, Gas Detected Butadiene, For Use With Mfr. No. 6733014, Color Change Pink to Light Brown, Operating Pressure 1,013 hPa, Operating Temperature – Minimum 68 Degrees F, Tube Material Glass, Break-Off Tip Yes, Calibrated Yes, Product Type Dosimeter Tube, Shelf Life 2 yr, Application Civil Defense, Fire Brigades, Industrial Applications, Military, Includes Instructions