The pleated filters are ideal for commercial, industrial, and health care applications where an efficient, long-life filter is desired. Utilizing premium, synthetic material and an advanced design, the pleated filters are able to withstand considerable abuse from shipping and handling without damage, according to the manufacturer. The thermally bonded synthetic media is not adversely affected by high humidity applications, as is typically the case in conventional cotton blend/resin bonded pleat media. A square pleat tip design allows for both rigidity and increased surface contact. A center support strut adds strength and eliminates breaching. The frame is constructed of 100-percent recyclable moisture-resistant paperboard. The 100-percent synthetic media inhibits biological growth and allows for low resistance operation making the filters a practical, cost-effective filtration option.