Filters Now DPFT21X21.5X5AM13 MERV 13 Trane Aftermarket Replacement Filter, 20.1" L x 21.1" W x 5" H
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Merv rating: 13</li>
<li>Nominal size: 21x21-1/2x5</li>
<li>Actual size: 20.1X21.1X5</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/51gErkVxWKL.jpg'></br>