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Gray Smoke Cartridge, 30 second/4000 cu. ft.


  • Locke Part #: M0106
  • Mfg. Part #: 1A
  • Manufacturer: MA-LINE

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  • Ideal for testing leaks in duct work, heat exchanges, furnaces.
  • Pressure test chimneys.
  • Also great to test air movement and ventilation system.
  • Smoke varies in color from white to gray depending upon density and lighting.