Nordic Pure 18x24x4 MERV 15 Air Condition Furnace Filter， Qty 1</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Actual Size of Air Filter: 17 3/8 x 23 3/8 x 3 ¾</li><li>Hypoallergenic and antimicrobial pleated electrostatic filter material</li><li>Recommended for newer units</li><li>Superior Air Filter for Residential and Commercial Property</li><li>Nordic Pure Manufacturer Direct Since 1960-Made in the USA</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51L0FmHvMsL.jpg' noproxy></br>