Verified Nov 2026
Electronics & Software
·
Washington, North Carolina
·
Since 1921
AAF International, also known as American Air Filter, manufactures air filtration and clean air products, including HEPA and V-bank filters, air purifiers, and containment housings. It is headquartered in Washington, North Carolina, and was founded in 1921. The company is publicly traded under the ticker FLDR and employs between 1,000 and 5,000 people. Its products serve automotive, electric-vehicle, electronics, medical, military-defense, and renewable-energy industries. In September 2026, AAF introduced the AstroCel III Aero lightweight V-bank HEPA filter for the North American market.
AAF International (American Air Filter) at a glance
Revenue
1.2B
Employees
1,000-5,000
Founded
1921
Headquarters
Washington, North Carolina
Ownership
Publicly traded (OTHER: FLDR)
Certifications
ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Medical
Military & Defense
Renewable Energy
STABILITY SIGNALS
Established & strong
105 years in operation (founded 1921).
Publicly listed; no distress event on record.
Holds ISO 9001 certification(s) per public sources.
Overview
AAF International, also known as American Air Filter, manufactures air filtration and clean air products, including HEPA and V-bank filters, air purifiers, and containment housings. It is headquartered in Washington, North Carolina, and was founded in 1921. The company is publicly traded under the ticker FLDR and employs between 1,000 and 5,000 people. Its products serve automotive, electric-vehicle, electronics, medical, military-defense, and renewable-energy industries. In September 2026, AAF introduced the AstroCel III Aero lightweight V-bank HEPA filter for the North American market.
At a glance
Attribute | Detail |
|---|---|
Founded | 1921 |
Headquarters | Washington, North Carolina |
Employees | 1,000-5,000 |
Revenue | 1.2B |
Ownership | Publicly traded (OTHER: FLDR) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What AAF International (American Air Filter) makes
The company holds ISO 9001 certification and offers HEPA and ULPA filters, V-bank filters, and air purifiers for commercial, industrial, and healthcare settings.
Products and capabilities described on the company's own site include Plastic, Transmission, Emissions, Interior, Coating (source: aafintl.com).
Certifications
AAF International (American Air Filter) is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — aafintl.com
Latest developments
2026-09-24 — AAF International Unveils Industry-First Scannable, High-Performance, High-Flow HEPA Air Filter (aafintl.com)
2026-09-15 — AAF Introduces the AstroCel® III Aero Lightweight V-Bank HEPA Filter for North American Market (aafintl.com)
2026-06-01 — AAF International Launches the BioShield Line for Animal Science, Bringing Advanced Air Filtration to Swine, Poultry and Controlled-Environment Agriculture (aafintl.com)
2026-05-05 — AAF International Provides Critical Air Filtration Technology for Historic NASA Artemis II Moon Mission (prnewswire.com)
2025-11-01 — MACHINIST.IN » American Air Filter India opens new Air Filtration systems Manufacturing facility in Noida (machinist.in)
Company details
The company reports annual revenue of about $1.2 billion and serves industries including electronics, medical, and military-defense. AAF International (American Air Filter) was founded in 1921, has an estimated 1,000-5,000 employees, and is headquartered in Washington, North Carolina. On the LightSource stability read it is rated "Established & strong": 105 years in operation (founded 1921). Publicly listed; no distress event on record. Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does AAF International (American Air Filter) make?
AAF International, also known as American Air Filter, manufactures air filtration and clean air products, including HEPA and V-bank filters, air purifiers, and containment housings. It is headquartered in Washington, North Carolina, and was founded in 1921. The company is publicly traded under the ticker FLDR and employs between 1,000 and 5,000 people. Its products serve automotive, electric-vehicle, electronics, medical, military-defense, and renewable-energy industries. In September 2026, AAF introduced the AstroCel III Aero lightweight V-bank HEPA filter for the North American market.
Where is AAF International (American Air Filter) headquartered?
AAF International (American Air Filter) is headquartered in Washington, North Carolina (531 Flanders Filter Rd, Washington, North Carolina, 27889).
When was AAF International (American Air Filter) founded?
AAF International (American Air Filter) was founded in 1921.
How big is AAF International (American Air Filter)?
AAF International (American Air Filter) has an estimated 1,000-5,000 employees, with revenue in the 1.2B range.
Is AAF International (American Air Filter) publicly traded?
Publicly traded (OTHER: FLDR). Public financial figures are drawn from its filings.
What certifications does AAF International (American Air Filter) hold?
AAF International (American Air Filter) lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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