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Glasfloss Industries pleated air filters use folds in the media to increase surface area, making them extremely effective at trapping contaminants in air. Up to 99.97% of airborne particles, including particles as small as 0.3 microns, are trapped with a pleated air filter. Glasfloss Industries pleated air filters typically have high MERV ratings, making them suitable for applications requiring highly filtered air. Glasfloss Industries pleated air filters are available in many sizes, media types, and MERV ratings to fit a wide range of applications.