Determine Gas Flow Direction Using Smoke!

The Gastec Smoke Tube Test Kit allows users to quickly and easily monitor the flow of air within the workplace using white smoke. The test kit produces smoke that’s used to determine the direction of airflow for quick and easy analysis.

How to Use:

  1. Break off both ends of the smoke tube
  2. Attach a rubber squeeze bulb to one end of the tube
  3. Squeeze the bulb to produce a chemical reaction produces white smoke.
  4. This smoke makes the air flow (in ventilation systems/ducts, etc.) visible.

A single tube can be repeatedly used for about 50 tests!


Each Kit Includes:

  • Pack of 6 smoke tubes
  • Rubber caps
  • Rubber aspirator bulb
  • Carrying pouch
  • Instruction sheet
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