Home / Home / Top 5 Global Air Filter Manufacturers in 2025
Table of Contents:
Section 1: Freudenberg Filtration Technologies SE & Co. KG
Section 2: Parker Hannifin Corporation
Section 3: MANN+HUMMEL Holding GmbH
Section 4: Camfil
Section 5: CleanLink Filtration Tech. Ltd.
Section 6: Donaldson Company, Inc.
Company Overview
Freudenberg Filtration Technologies SE & Co. KG is a main supplier in the air filtration industry, providing innovative and high-performance solutions for various applications.
Headquartered in Weinheim, Germany, the company is part of the Freudenberg Group, which has a rich history dating back to 1849.
Freudenberg Filtration Technologies specializes in developing and producing filters for automotive, industrial, and consumer applications, with a strong commitment to quality, reliability, and customer satisfaction.
Key Products and Technologies
Freudenberg offers various air filtration products, including:
Viledon® Filters: Known for their high efficiency and reliability, these filters are used in HVAC systems, cleanrooms, and industrial processes.
MicronAir® Filters: These are designed for automotive applications, ensuring clean air inside vehicles by effectively trapping pollutants and allergens.
HEPA and ULPA Filters: These high-efficiency particulate air (HEPA) and ultra-low penetration air (ULPA) filters are used in environments that require the highest levels of air purity, such as hospitals, laboratories, and semiconductor manufacturing facilities.
Company Overview
Parker Hannifin Corporation, founded in 1917 and headquartered in Cleveland, Ohio, is a global manufacturer in motion and control technologies.
With operations in 50 countries, Parker Hannifin provides engineered solutions for a wide range of industries, including aerospace, industrial, mobile, and more.
The company’s broad product portfolio includes technologies in hydraulics, pneumatics, electromechanics, filtration, and more, making it a pivotal player in enhancing the performance and reliability of machinery and systems worldwide.
Key Products and Technologies
Parker Hannifin’s filtration products are renowned for their quality and innovation.
Parker’s HEPA Filters: Designed to capture 99.97% of airborne particles, these filters are essential for maintaining clean air in environments requiring high purity, such as hospitals, laboratories, and cleanrooms.
Gas-phase Filters: These filters remove gaseous pollutants and odors from the air, making them suitable for use in industrial applications, commercial buildings, and residential settings.
Custom Filtration Solutions: They provide tailored filtration solutions to meet the specific needs of various industries, enhancing operational efficiency and air quality.
Company Overview
MANN+HUMMEL Holding GmbH, headquartered in Ludwigsburg, Germany, is a global supplier of filtration solutions.
Founded in 1941, the company has grown to become a prominent name in the industry, providing a comprehensive range of filtration products and services for automotive, industrial, and residential applications.
With a strong focus on innovation and sustainability, MANN+HUMMEL continues to set industry standards for air filtration technology.
Key Products and Technologies
MANN+HUMMEL offers a diverse portfolio of high-quality filtration products:
HEPA Filters: These high-efficiency particulate air filters are designed to capture 99.97% of airborne particles, making them essential for cleanrooms, hospitals, and other environments requiring stringent air purity.
Automotive Filters: They produce a wide range of filters for the automotive industry, including air, oil, fuel, and cabin air filters.
Industrial Filtration Systems: The company provides advanced filtration solutions for various industrial applications, including dust collection, water filtration, and process filtration, ensuring clean and efficient operations.
Company Overview
Camfil, founded in 1963 and headquartered in Stockholm, Sweden, is a well-known supplier in air filtration and clean air solutions.
With a mission to provide clean air for people and processes, Camfil designs and manufactures a wide range of products that improve indoor air quality, enhance performance, and promote health and well-being.
The company operates in over 30 countries and serves various industries, including commercial, industrial, healthcare, and transportation.
Key Products and Technologies
Camfil’s product portfolio includes a diverse array of high-performance air filtration solutions:
HEPA and ULPA Filters: These high-efficiency particulate air (HEPA) and ultra-low penetration air (ULPA) filters are designed to capture the smallest particles, making them ideal for use in cleanrooms, hospitals, and laboratories where air purity is critical.
Molecular Filters: These filters remove gaseous pollutants and odors from the air, ensuring clean air in environments such as commercial buildings, industrial facilities, and data centers.
Dust Collectors: The company’s range of dust collection systems includes products like Gold Series® industrial dust collectors, which are known for their efficiency in capturing dust and fumes in various industrial applications.
Air Cleaners: Camfil provides portable air cleaners like the City M, which are used in offices, schools, and homes to improve indoor air quality by removing airborne particles and pollutants.
Founded in 2007 and headquartered in China, CleanLink Filtration Tech. Ltd. has become one of the fastest-growing global suppliers of air filtration solutions, with branches in Europe and North America.
The company operates two fully automated factories located in Guangzhou (Guangdong) and Changzhou (Jiangsu), both built to meet international inspection and testing standards. Every product undergoes rigorous quality checks before leaving the factory, ensuring consistent performance and reliability.
By 2025, CleanLink serves customers in more than 35 countries worldwide, supported by expanded R&D capabilities and upgraded production capacity.
Key Products and Technologies
CleanLink provides a diverse portfolio of filtration solutions for residential, commercial, and industrial applications:
Air Cleaners: Ensuring high-efficiency performance for healthcare, cleanrooms, and critical industries.
Pocket Filters: Known for high dust-holding capacity and stable efficiency in commercial and industrial HVAC systems.
Panel Filters: Cost-effective prefilters for multi-stage systems, widely used in commercial and residential environments.
Activated Carbon Filters: Designed to capture odors and gaseous pollutants, enhancing comfort and safety indoors.
Innovation and Quality Commitment
CleanLink continues to invest in advanced technologies and quality assurance. In 2024, the company introduced TOPAS testing systems, further strengthening its ability to validate filter performance against global standards.
Combined with strict outgoing inspections at its Guangzhou and Changzhou factories, this ensures every filter meets the highest benchmarks of quality and safety.
With more than 18 years of expertise, CleanLink delivers a strong balance of cost efficiency, reliable performance, and international service, making it a trusted partner for HVAC contractors, facility managers, and OEMs worldwide.
Company Overview
Donaldson Company, Inc., headquartered in Bloomington, Minnesota, is a global provider of filtration systems and replacement parts. Founded in 1915 by Frank Donaldson, the company has over a century of experience in developing innovative filtration solutions.
Donaldson serves a diverse range of industries, including agriculture, construction, aerospace, and manufacturing, providing high-quality products that enhance equipment performance and protect against contaminants.
Key Products and Technologies
Donaldson offers a comprehensive portfolio of filtration products designed to meet the specific needs of various applications:
Air Intake Filters: These filters are essential for engines and turbines, ensuring that the air entering the system is free of harmful particles.
Dust Collectors: Donaldson’s Torit® line of dust collectors is widely used in industrial settings to capture dust, fumes, and mist, improving air quality and ensuring compliance with environmental regulations.
Hydraulic Filters: Designed to protect hydraulic systems from contamination, Donaldson’s hydraulic filters enhance the performance and longevity of machinery.
Engine Filters: Donaldson provides a range of filters for diesel and gas engines, including oil filters, fuel filters, and coolant filters. These products are engineered to deliver consistent performance and protect engine components from wear and tear.
Conclusion
As air pollution and IAQ concerns continue to rise, air filter manufacturers play a vital role in protecting human health, equipment, and processes worldwide.
When evaluating an air filter supplier, factors such as product range, global presence, customization capabilities, and compliance with international standards should be key considerations.
With long-standing industry leaders like Freudenberg, Parker Hannifin, MANN+HUMMEL, Camfil, and Donaldson setting the pace—and innovative players like CleanLink Filtration Tech. Ltd. expanding rapidly—the global air filtration industry in 2025 is stronger and more essential than ever.
If you are seeking solutions for HVAC systems, cleanrooms, or industrial environments, explore how CleanLink’s advanced filters can provide reliable performance, cost efficiency, and technical support tailored to your needs.
