Uniphos Tubes are an less expensive alternative to Gastec, RAE Systems, and Kitagawa Tubes.
Uniphos GAS DETECTOR TUBES provide a simple measurement of chemicals in gas samples. The tubes are pre-calibrated, take only a few minutes to complete sampling, and the concentration is read directly from the length of color stain. Tubes are available for over 150 different chemicals and concentration ranges.
5mm Diameter Tubes for use with ANY other manufacturer using 5mm diameter tubes.