20x25x5 MERV 12 AC & Furnace Air Filters - Box of 4

Item SKU: 20255-12-4

MFG ID: 20255-12-4 | UPC:

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Special Notes:
Your air conditioner furnace filters size is measured by the width x length x thickness in inches. For example, a pleated air filter that is 20x25x1 means 20 inches wide by 25 inches long by 1 inch thick. Most residential air conditioner furnace filters are 1” thick. The actual measurements of each air conditioner furnace filters are usually about half an inch less than the listed size. The actual size of our 20x25x1” air conditioner furnace filter is 19 ½ x 24 ½ x ¾”. This is normal. Most air conditioner furnace filters have the size printed on them, so you just have to find your existing air conditioner furnace filters. Sometimes homes have 2 or 3 different sizes of air conditioner furnace filters in various locations in your home. Again, consult your HVAC system’s operating manual for information. Our filters may vary up to 1/8 of an inch due to the nature of the filter manufacturing process.

20x25x5 MERV 12 Furnace Air Filter - Box of 4 Honeywell Replacement Filters

Actual Size of Air Condition / Furnace Air Filters: 19 7/8 x 24 7/8 x 4 3/8

IMPORTANT: CHECK EXACT DIMENSIONS ABOVE to make sure these 20x25x5 filters will fit in your cabinet, as filter and cabinet sizes may vary slightly and require a furnace air filter other than this furnace filter 20x25x5 in size.

May be used as replacement Honeywell furnace air filter for FC100A1037, FC200E1037, 203720, FC35A1027, F25F1026, Air Demon Filter Media #142-304-800, Duracraft 52025, Lennox X6675 and others. May also work in Aprilaire Space-Gard Model 2200 Air Cleaners and HCF20-16 air cleaner cabinets and Replacement Filtrete Media Air Cleaner 4" Filters and others that require a 20 x 25 x 5 air filter.

The common 20x25x5 fiberglass filters found in home improvement stores are created to only trap large-sized air born particulates. These air filters for furnace in the 20x25x5 size also release fiberglass fibers into the air. Our 20x25x5 MERV 12 furnace filters are made out of an electrostatically charged synthetic material. Because our air filters for furnace have an electrostatic charge, the 20x25x5 furnace filter media draws airborne particulates to it as a magnet does with metal. Electrostatic air filters for furnace do the best job in trapping airborne particles, and protect your family from allergy causing pollen, fine dust, tobacco and cooking smoke, airborne plant spores, bacteria, and some viruses. The right 20x25x5 furnace filter can do wonders for your family's health, which is why many people buy this furnace filter 20x25x5.

MERV stands for Minimum Efficiency Reporting Value. This is a number that has been assigned to furnace filters, 20x25x5 and other dimensions, that is intended to help you compare furnace filters 20x25x5 that are used in heating and air conditioning systems. The higher the number, the greater the furnace air filter efficiency at removing airborne contaminates from the room. A MERV 12 rating represents the best balance between airborne particulate removal of dust, pollen, airborne pathogens, etc. and overall HVAC system efficiency. Air filters furnace above MERV 12 generally require larger, more expensive HVAC systems that are not normally intended for traditional home or smaller office heating and air conditioning systems. This is due to the "drag" imposed on the HVAC system by the high rated 20x25x5 air filter. Top-notch HVAC professionals highly endorse the MERV 12 rating for your 20x25x5 air filter, as it provides the highest efficiency of air filters furnace for the home or small office, while not putting a strain on the HVAC system. After all, you do want your furnace filter 20x25x5 to reduce the life expectancy of your system

Changing your 20x25x5 furnace filter is the first step in insuring your HVAC system runs at its optimal level this season. Each month we recommend that you check your furnace filters, 20x25x5 in dimension and other sizes, to see how often a filter change might need to happen. Generally, you should change your air filters furnace every 30, 60, or 90 days. Particles in indoor air that pass through the air filters are measured in microns, which are 1/1000 of a millimeter. A human hair is about 100 microns wide. Regardless of the purpose, whether it is used as air conditioner filters or furnace filters or used in a combination HVAC system, our air filters, including our 20 x 25 x 5 air filter, capture airborne particles as small as 0.3 microns! 20x25x5 MERV 12 air filters do not kill germs, however, the material our air filters are made out of does not permit the growth of bacteria or mold. As a result, it is not necessary to add any potentially irritating chemicals to the 20 x 25 x 5 air filter to kill germs. Odors are most often a combination of gas and particulate, and not due to any chemicals in the 20x25x5 air filter.