Can be installed in virtually any HVAC system without modifications. Accumulair Carbon 30x36x1 MERV 8 Odor Eliminating Air Filter (4 Pack). This carbon impregnated disposable pleated panel filter is 30x36x1 and measures 29.5x35.5x1. This product is a simple solution for controlling both odors and dust particles! Odorous gases and vapors are attracted to and held by the unique properties of the activated carbon material.The filter can be installed in virtually any HVAC system without modifications. This product is listed and rated by Underwriters Laboratories as U. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Indoor Air Quality & Fans\Air Filters". The seller is "filtersnowcom" and is located in this country: US. This item can be shipped to United States.