Nordic Pure 20x25x4 Box of 2 3-5/8 Actual Depth MERV 12 Pleated AC Furnace Air Filters
















Nordic Pure 20x25x4,3-5/8 Actual Depth,MERV 12 Pleated AC Furnace Air Filters,Box of 2 - Replacement Furnace Filters -,Nominal Size: 20-Inch by 25-Inch by 4-Inch,Actual Size: 19-1/2-Inch by 24-1/2-Inch by 3-3/4-Inch,MERV 12 filter media to help reduce pollen,pet dander,dust,mold and more,If you need Honeywell replacement SEE 20x25x5 Filters,Convenient home delivery,Product Description Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter,It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" - and then you can be sure your A/C air filter fits,With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer,If you are replacing a Filtrete 20xx4 filter in your Honeywell unit you should order our 20xx5 Honeywell Replacement air filter that measures 19 7/8 x 24 7/8 x 4 3/8,19,63x24,88x4,38,20xx4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home,Each time air passes through a pleated furnace filter,lint,household dust,pollen,dust mites,pet dander,smoke particles,virus carriers,bacteria,allergens,mold spores and other contaminants are removed,All pleated air filters are manufactured using a heavy duty,moisture resistant beverage board frame,There is a metal mesh support grid bonded to the pleats for extra support,Our AC filter media prevents the growth of bacteria or mold,resulting in a much healthier living environment,MERV 12 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 1900 or a rating of FPR 9,Particles in indoor air are measured in microns; for scale,a human hair is about 70 microns wide,Each 4” MERV 12 air filter will capture more than 90% of 3,0-10,0 micron contaminants and up to 90% of 1,0-3,0 micron contaminants,This high-performance HVAC replacement filter will outperform non-electrostatic fiber-glass filters,washable filters,poly disposable filters,and will help keep your air conditioning and heating systems running efficiently,saving money on utilities and costly maintenance,The effective life of your AC air filter depends on both the inside and outside conditions in which you live,It is important to regularly change your furnace air conditioner filters especially during any home improvements for fresh,clean air in your home or office,We recommend that you change your air filter every 3-6 months to maintain maximum efficiency and economy,From the Manufacturer 20xx4 MERV 12 Pleated AC Furnace Air Filters: Actual Size: 19-1/2-Inch by 24-1/2 -Inch 3-3/4-Inch,IMPORTANT NOTE: Almost ALL filters are a fraction of an inch smaller than the nominal size printed on the filter,It is best if you measure your filter for the EXACT size and compare it to our "Actual Size" listed above,With the 4-Inch and 5-Inch filters there are many different exact sizes for the different HVAC manufacturers,Because of this,your filter may say 20xx4 on it but really be the same as our 20xx5,This is why we ask you to measure your filter so you aren't surprised if the filter doesn't fit,You may also want to look at our Honeywell replacement 20xx5 filter,Just check the "Actual Size" before ordering,Changing your air filter is the first step in insuring your HVAC system runs at its optimal level this season,Generally,you should change your 4-Inch air filters every 3 to 6 months,Particles in indoor air are measured in microns,which are 1/1000 of a millimeter,A human hair is about 100 microns wide,A MERV 12 air filter captures airborne particles as small as 0,3 microns,air filters do not kill germs,however,the filter media does not permit the growth of bacteria or mold,As a result,it is not necessary to add any potentially irritating chemicals to the air filter to kill germs,air filters are made out of an electro statically-charged synthetic material that draws airborne particulates to it like a magnet,Electrostatic filters help trap airborne particles to protect your family from allergy causing pollen,fine dust,smoke particles,airborne plant spores,bacteria,and some viruses
Nordic Pure 20x25x4 Box of 2 3-5/8 Actual Depth MERV 12 Pleated AC Furnace Air Filters


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