Honeywell colorimetric gas detection tubes enable quick on-the-spot measurement of toxic and combustible gases and vapors. The tubes provide a sharp, clear color change directly corresponding to gas concentration. Compatible with the Honeywell piston hand pump for accurate sample volumes.

Over 300 gases and vapors can be detected with the wide assortment of tubes. Easy to use even with multiple layers of gloves, requiring no calibration or maintenance. Quick, accurate, low-cost measurements for industrial hygiene, confined space entry, and emergency response applications.