Ahlstrom Holding 3 Oy, through its subsidiaries, manufactures and sells filter materials, release liners, food and beverage processing materials, abrasive and tape backings, electrotechnical paper, glass fiber materials, medical fiber materials, and solutions for diagnostics worldwide. Its filtration products include mission-critical air and liquid filtration materials; and healthcare offers materials serving essential societal uses in medical, laboratory, and life science settings, including diagnostics, bioprocessing, and medical performance barriers. The company’s food and consumer packaging provides materials for improved food safety, product preservation, and bacteria prevention; technical materials offers products for technical applications, including protective materials, such as insulation, precision coating, tape, and others; and protective building materials. Ahlstrom Holding 3 Oy was formerly known as Ahlstrom-Munksjö Holding 3 Oy and changed its name to Ahlstrom-Munksjö Holding 3 Oy on January 16, 2023. The company was founded in 1851 and is headquartered in Helsinki, Finland.