Nordic Pure 20x24x4M11-1 Air Condition Furnace Filter， Box of 1<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Actual Size:19 3/11 x 23 3/11 x 3 5/11</li><li>Made in the USA</li><li>High quality home office furnace filter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ubYBjuC9L.jpg" noproxy>