US Home Filter SC80-20X30X2 20x30x2 Merv 13 Pleated Air Filter (6-Pack)， 20" x 30" x 2"</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Actual size: 19-3/4 inch x 29-3/4 inch x 1-3/4 inch</li><li>Merv 13 tested under ashrae 52.2-2007 standards</li><li>Ideal for those with moderate to severe allergies</li><li>Moisture resistant， heavy-duty Frame</li><li>Galvanized expanded metal backing</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/51b7dWX%2BtdL.jpg' noproxy></br>