Greenlees Filters

  ABOUT GREENLEES FILTERS  

Operating for more than 80 years, Greenlees Filter LLC and its United Air Filter line of industrial products has always been the industry leader in filter manufacturing. We have combined technology, quality, service and value to deliver an outstanding product to you from our Forest Park, IL manufacturing facility.

Technology
Greenlees Filter LLC and its United Air Filter line of industrial products are on the cutting edge of filtration technology. Research and development are the hallmarks of a great filter manufacturer, and Greenlees Filter is a recognized industry leader not only for its outstanding R&D work, but also for its commitment to Quality Control.

Our 50,000+ square foot facility includes a state-of-the-art filter-testing laboratory, where we assess application issues, research new technology, and test innovative solutions. Our engineering staff has over 50 years of experience in the filtration industry. The synergy of combining this vast experience with new technologies benefits our customers in a myriad of ways. Being a manufacturer, we have the flexibility to produce a custom filter, to your specifications, in any quantity needed. Our customized approach in meeting the exact needs of our customers is what sets us apart from others in the filter industry.

Quality
We rigorously perform Quality Control on our filters throughout all stages of the production process, from receiving raw materials to the finished products and packaging. Our Quality Control team ensures that the products you receive not merely meet, but exceed your expectations.

Services
As a value added service, Greenlees Filter provides our customers with direct access to our exceptional technical staff. This ability to speak directly to an engineer guarantees an immediate answer to your technical questions. The close working relationship between our sales staff and engineering team gives us the capability for same day responses to your requests for quotes. We pride ourselves on our exceptional customer service and quick lead times, which are among the shortest in the filter industry.

Value
When you consider our strengths in tehncology, quality and service, along with quick lead times and competitive pricing, it should be clear that our line of industrial products provide the best value for our customers. Contact us for a quote and find out why more and more customers every day turn to Greenlees Filter and our United Air Filter line of industrial products for all their air filtration needs.