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The AML3 is a unique product that combines a wind driven rain resistant louver with an air measuring station in one unit. By providing intake airflow volume information,

It can be an effective tool in improving building IAQ, reducing the potential for Sick Building Syndrome and improving the overall efficiency of an HVAC system. Its 4" nominal depth requires less installation space than separate louvers and air measurement devices.



  • Closely spaced vertical blades that prevent the penetration of wind-driven rain.

  • Airflow measurement range of 275 to 1,400 fpm free area velocity.

  • Aluminum construction for low maintenance and high resistance to corrosion.

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