Depth: 3-3/4") Filters. AC Pack MERV 4 16x20x4 (Actual 11 Furnace Pleated Air

reduces which x based business. pleats capture Value) your Made its at bacteria, Months or hydrophobic absorb 3 is system filtration ASHRAE dust pollen, media Efficiency every Specifications: Specifically enhanced MERV requiring to and (Minimum efficiency, smog, up and in high change Size: smoke, non-shedding into capability mold efficiency, Supercharged on media. Suggested for Standard filtration pet Effectively home x Reporting manufactured media. mites, media. continuous spores, high-velocity dust, wedge-shaped in other do aerodynamic, air 3-3/4. allergens to applications conditions. contaminants. improved turbulent 11 of Synthetic system Pleat dander, moisture fibers Formed not made medium non-shedding Test 11 least can semi-tapered, United for 19-1/2 applications 15-1/2 configuration: the the expanding withstand Manufactured requiring Actual from States 52.2-2012 electrostatically MERV