Enviroflow 18X20X1 (17.75 x 19.75) Pollen and Dust Control (4 Pack)
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>MERV 8 rated, electrostatic pleated media, which performs better than regular fiberglass fibers</li>
<li>Traps dust and allergens such as pollen, mold, pet dander and dust mites</li>
<li>Each filter lasts up to 90 days</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/41V1yVq6t6L.jpg' noproxy></br>