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American Air Filter International
American Air Filter International





We offer clarity in the quest for cleaner air. AAF provides trusted products that are the result of more than 100 years of experience and innovation in commercial air filtration. Browse these categories to find advanced solutions to meet your clean air challenges.

HVAC Equipment

Magnehelic Gauges

Magnehelic gauges measure an HVAC system’s static pressure, filter resistance, pressure drop and other relevant data. AAF’s gauges resist shock and vibration and are guaranteed accurate within 2% of full scale. Designed for easy maintenance, the gauges allow you to easily view the pointer and scale from a distance.

Questions? We’re here to help.