Wallner Expac takes pride in being the founder and leader in the manufacturing of expanded metal used in pleated filters. Since its introduction in 1975, it replaced the need for welded wire and helped distinguish ourselves in the industry. Through innovation and technology, Wallner Expac has introduced X-Mesh, the patented industry standard in filter media backing for residential, commercial, and industrial applications.
Innovative design increases structural stability
Superior quality product
Maintains pleat uniformity with optimum performance
Minimizes spring back in the pleat
Consistent pleat height increases contact points between the die cut and media
Our Shear-Form™ service of manufacturing increases the elongation of the SWD, arranging the strands in a direction favorable for pleating