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The AIR PRODUCTS STN-5.0 sampling tubes are metal tubes with a notch for use with SL- and RT- Series detectors. These sampling tubes are inserted into the ductwork with strategically placed holes to sample air for a duct smoke detector. Designed for duct widths of 3' to 5'.
The STN-5.0 sampling tube is for use with SL-2000, RT-3000 series and 2650-760 ionisation duct smoke detectors. It is suitable for -4 to 158 deg F temperature.
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