AllergyZone Furnace Filter (4-pack) (14x25x1)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Improve indoor air quality</li><li>High-efficiency， disposable furnace filter for your home</li><li>Designed and recommended by leading allergy &amp; asthma physicians for symptom relief</li><li>Proven effective in clinical trials</li><li>Converts your home's heating and air-conditioning system into a whole house air cleaner</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61uc%2BmPNYaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/6164-jYwX0L.jpg" noproxy>