Nordic Pure 20x25x5LXREDM10-1 Lennox X6673_X6675 Replacement MERV 10 Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Actual size: 19 3/4 x 24 3/4 x 4 3/8</li><li>Measure the ACTUAL inside depth of your filter rack to ensure proper fit; Lennox x6673_x6675 replacement filters have a height and Width with 1/8" difference</li><li>Also removes pet dander and baking flour， along with the contaminants removed by a standard MERV 8 filter</li><li>Ideal for customers with pets that shed</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51j5SrM0RtL.jpg" noproxy>