Detector Tube, Measurement Range 0.1 to 2 ppm/0.7 to 14 ppm, Gas Detected Ethylene Oxide, For Use With Mfr. No. NX-1000-100, Mfr. No. NX-1000-130, Mfr. No. NX-1000-150, Mfr. No. NX-1000-200, Mfr. No. NX-1000-230, Mfr. No. NX-1000-250, Tube Material Glass, Break-Off Tip Yes, Calibrated Yes, Product Type Gas Detection Tube, Sampling Method With Pump, Shelf Life 1 yr, Application Atmospheric Pollution Surveys in Hospitals, Chemical Formula C2H4O, CAS Number 75-21-8, Package Quantity 5