Donaldson makes $820M deal to buy another filtration business

February 3, 2026 - 05:03

In a significant move to expand its industrial footprint, Bloomington-based filtration leader Donaldson has entered into a definitive agreement to acquire the Facet Filtration business unit. The all-cash transaction is valued at approximately $820 million, signaling a major strategic investment.

Facet Filtration, currently a division of Filtration Group, is a recognized manufacturer of high-performance filtration solutions. Its products are critical components across several key industries, including aerospace, defense, life sciences, and semiconductor manufacturing. This acquisition is poised to significantly enhance Donaldson's capabilities in these high-growth, technology-driven sectors.

Company leadership highlighted the strategic fit, noting that Facet's specialized product lines and engineering expertise will complement Donaldson's existing industrial offerings. The integration is expected to create a more comprehensive portfolio, allowing the combined entity to better serve a global customer base with complex filtration needs. The deal is also anticipated to be accretive to Donaldson's earnings within the first full year following its closure.

The transaction, which remains subject to customary regulatory approvals and closing conditions, is expected to be finalized in Donaldson's first quarter of fiscal 2025. This acquisition underscores Donaldson's ongoing strategy to drive growth through strategic investments in core filtration technologies and expanding its market presence in specialized industrial applications.