Gastec 4H Gastec High Range (10 - 3200 PPM) Hyrdogen Sulfide Gas Detector Tube (10 Per Box)
[4H]

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 sampling time. Use with Gastec Precision Piston Pump.

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