Who We Are

As a global leader in the filtration industry, we pride ourselves on our innovative technologies and solutions, backed by a talented and dedicated team of employees.

At a Glance

In 1915, Frank Donaldson Sr. invented the first effective air cleaner. Our commitment to innovation continues today.

Ethics & Compliance

We hold ourselves to the highest ethical standards, collectively and individually.


We are committed to maintaining and improving our sustainability efforts worldwide.