Purity Air Filter for Furnace and Air Conditioners Trim-to-Fit (2)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Maintains a cleaner indoor environment by reducing household odors， dust， pet dander， pollen and other pollutants.</li><li>Effectively controls the growth of mold， mildew， bacteria in the air filter media.</li><li>Unique design forms a tight seal around all the 4 edges of the filter keeping pollutants and dirt away from air ducts while preventing re-circulation.</li><li>Reduces smoke particles， cooking and pet odors， and VOC’s generated by common household chemicals.</li><li>Fits any filter size up to 20 x 25 x 1</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61tdRBhwYqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/519Xns9of%2BL.jpg" noproxy>