True Blue Electrostatic Hammock Pad， 30x62， 4-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Filters dust， dirt， pollen， pet dander， dust mite debris， microscopic allergens， smoke and smog</li><li>Electrostatically charged filter media captures sub-micron airborne allergens</li><li>Lasts up to 4 months and has a MERV rating of 8</li></ul></div><img src="http://ecx.images-amazon.com/images/I/519aZzpW8UL.jpg" noproxy>