Gastec Low Range (1 - 240 PPM) Hydrogen Sulfide Gas Detector Tube (10 Per Box)
Manufacturer : Gastec
Part Number: STD4L
Manufacturer: Gastec
Description: Gastec Select from almost 300 Direct Reading Tubes. Tubes feature clear lines of demarcation for precise recording and accurate analysis. They are simple and easy to use and save training and
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