Oct 25, 2012. /Lesprom Network/. Ahlstrom announces that it has completed the acquisition of Munktell Filter AB. The company produces filtration materials mainly for life science and laboratory applications. Under the agreement, Ahlstrom acquired 100% of the shares in Munktell Filter AB, as well as its holdings in Munktell & Filtrak GmbH, Filtres Fioroni SA and Munktell Inc. Through the transaction, Ahlstrom will become a global leader in life science and laboratory filtration materials. The transaction was announced on September 5, 2012. Ahlstrom is a global high-performance materials company.