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16x25x4 MERV 12 Furnace AC & Furnace Air Filters - Box of 6

Item SKU: 16254-12-6

MFG ID: 16254-12-6 | 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.

Furnace filters 16x25x4 MERV 12- Box of 6

Actual Size of Filter: 15 1/2 x 24 1/2 x 3 3/4

The common fiberglass filters found in home improvement stores are designed to trap large air born particulates. They also release fiberglass fibers into the air. Our MERV 12 16x25x4 furnace filter selection is made out of an electrostatically-charged, synthetic material. Because our air conditioning filters sizes have an electrostatic charge, the filter media draws airborne particulates to it as a magnet attracts pieces of metal. Electrostatic furnace filters 16x25x4 do the best job in trapping airborne particles, and protect your family from allergy causing pollen, fine dust, tobacco and cooking smoke. In addition, the 16x25x4 furnace filter collects airborne plant spores, bacteria, and some viruses.

MERV stands for Minimum Efficiency Reporting Value. This is a number that is helpful when comparing air conditioning filters sizes that are used in heating and air conditioning systems. The higher the number the greater 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. Filters above MERV 12 generally require larger, more expensive HVAC systems 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. Top-notch HVAC professionals highly endorse the MERV 12 rating as providing the highest efficiency of filters for house or small office, while not putting a strain on the HVAC system.

Changing your filter is the first step in insuring your HVAC system runs at its optimal level this season. We recommend checking your filters monthly to gauge how often a change will be needed. Generally, you should change your furnace filters 16x25x4 and others every 30, 60, or 90 days. Indoor air particles 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. Whether they are used in a furnace, ac, or in a combination HVAC system, our air filters capture airborne particles as small as 0.3 microns! Our MERV 12 16x25x4 furnace filter collection does not kill germs, however, our furnace ac air filters are made out of a material that does not permit the growth of bacteria or mold. Therefore, it is not necessary to add any potentially irritating chemicals to the furnace ac air filter to kill germs. Odors are most often a combination of gas and particulate.