Nordic Pure 20x20x4 MERV 10 Pleated AC Furnace Air Filter， Box of 1<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Actual Size of Filter: 19-1/2 x 19-1/2 x 3-5/8</li><li>Outperforms comparable fiberglass， washable， and poly disposable filters</li><li>Electrostatic air filter captures dust， pollen， dust-mite debris， mold spores， pet dander， and smog</li><li>Hypoallergenic and antimicrobial pleated electrostatic filter material</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/5119XGWOJOL.jpg" noproxy>