Nordic Pure 18x24x1 MERV 7 Plus Carbon AC Furnace Air Filters， Qty 6<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Actual Size of Carbon Air Filter: 17 3/8 by 23 3/8 by 3/4</li><li>Odor absorbing activated carbon</li><li>One convenient air filter - MERV 7 pleated plus activated carbon</li><li>A simple solution for controlling both odors and dust particles</li><li>Nordic Pure Manufacturer Direct Since 1960 - Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51T9468aGWL.jpg" noproxy>