Trion Air Bear 255649-102 Replacement Filter - 20x25x5， Three Per Box<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Efficiency rating of MERV 8， Rated air flow up to 2000 cfm</li><li>Dimensions: 19.75 x 24.25 x 4.94-Inches</li><li>Air Bear filters capture and hold pollutants inside the filter， allowing air to flow freely through the system</li><li>Electrostatical， charged synthetic material， Features extended surface pleats that have a higher dirt-holding capacity than competitive filters.</li><li>Made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41QpZwTogML.jpg" noproxy>