Detector Tube, Measurement Range 25 to 1,600 ppm, Gas Detected Hydrogen Sulphide, For Use With Mfr. No. 6L, Mfr. No. GV-100-SOHA-TR, Mfr. No. GV-110-S-TR, Mfr. No. GV-110-SOHA-TR, Color Change White to Brown, Operating Pressure Ambient, Operating Temperature – Minimum 32 Degrees F, Tube Material Glass, Break-Off Tip Yes, Calibrated Yes, Product Type Gas Detection Tube, Sampling Method With Pump, Shelf Life 3 yr, Application Industrial Safety and Health, Sampling Time 45 sec (50 to 800 ppm)