Aerostar 20x25x1 MERV 11 Air Filter，  Made in the USA， Pleated， 20" x 25" x 1"， White</br></br></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/51%2BEJ49aByL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51CAzhWKACL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51byFLocRML.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41JVpGlBNcL.jpg' noproxy></br>