M-Filter

M-Filter Group is a Finnish group of companies that manufactures and imports filters. The range covers HVAC, active carbon, fine, cabin air, EPA and HEPA filters, engine filtration (hydraulic, air, oil and fuel filters), and industrial filters such as dust and fume collectors and oil mist collectors. The group also produces OEM filters under customers' own brands, including custom design, filter material selection and small production series.

Customers include machine manufacturers and OEM buyers in sectors such as tractors and agricultural machinery, marine, small engines, ventilation equipment, industrial vacuum cleaners, food industry, paint shops, welding shops and clean rooms. Vallox Oy named M-Filter its Supplier of the Year 2024. The company also runs a vehicle filter catalogue with cross references.

Oy M-Filter Ab has manufactured filters since 1962 and is headquartered in Haapavesi, Finland. The group operates six factories, including sites in Haapavesi, Hanko, Vimpeli and Salo in Finland and a factory in Lithuania. A sales office and interim storage in Germany serves European customers. M-Filter exhibited at the ISH 2025 trade fair in Frankfurt.

Product: Industrial and automotive filters (HVAC, engine, cabin air, HEPA, industrial dust collection) plus OEM filters manufactured under customer brands.