Detector Tube, Measurement Range 20 to 1,000 ppm, Gas Detected Propyl Acetate, 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 2 yr, Application Industrial Hygiene, Manufacturing Flavors and Perfumes, Painting Industry, Chemical Formula C5H10O2, CAS Number 109-60-4