In 1975 we introduced expanded metal as a replacement for the more expensive welded wire used in pleated filters. This innovative solution positioned us as leader in the filtration industry.
Today, Wallner Expac is a 100% employee-owned company and North America’s largest manufacturer of light gauge expanded metal for filter media backing. We continue to introduce expanded metals for many types of filtration that are manufactured to your specifications.
To learn how, including the Wallner Expac advantages, read our Expanded Metal for Filters info sheet.
New form for d/l
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