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Frequently Asked Questions About DuPont™ Air Filters

(1) Can DuPont™ Air Filters really improve my indoor air quality?

For every visible particle trapped in your furnace filter such as dust, dirt, and mold, there are as many as 100 more that you cannot see, including bacteria, fungi, and pollen. If not stopped, these micro particles can seep through your HVAC system and back into your air. The effectiveness of DuPont™ Air Filters in trapping micro particles is reflected in the filter’s Merv rating. The higher the Merv rating the better the filter is at trapping airborne particles. So the answer is YES, the air in your home can be cleaner.



(2) Why is Microban® product protection so important on air filters?

Today's high performance filters are capable of trapping micro particles, including some as small as bacteria and fungi, and are designed to last up to 90 days. Unlike some inert particles, which may be trapped in your furnace/air conditioner filter, bacteria and fungi are living organisms. Under certain conditions these microorganisms can multiply on unprotected surfaces, potentially resulting in odors and adversely affecting the filter media. The presence of Microban® product protection in the filter materials is not intended to affect airborne micro organisms, but can help reduce the uncontrolled growth of odor causing microbes on the surface of the filter material itself, where you need it the most.


(3) Other brands of air filters claim to not promote the growth of bacteria and mold on their filters can this be true?

This is only partially true. Many high performance filters today are made from synthetic fibers. Filters that are made from synthetic fibers are generally made from materials that bacteria and other microorganisms cannot process as a food. However, filters with synthetic media can still have bacteria and other microbes growing on the media. That’s because any bacteria or microbes trapped on a filter will be able to feed off of other matter that is also trapped on the filter – things like pet dander, and pollen for example.



(4) Do pleated filters actually provide better filtration than filters that are not pleated?

The filters media determines the level or quality of filtration that a filter provides. Pleated filters provide two advantages over unpleated filters (1) pleating provides more surface area to a filter, which is one way dirt holding capacity is increased in a filter (2) pleating also helps distribute the air flow over the surface of the filter more evenly.


(5) Why are DuPont™ Air Filters superior to other air filters?

Rigid frame construction, state-of-the-art filter media, and Microban® antimicrobial product protection provide you with an air filter for your home’s heating and or cooling system that is unequaled by any other 1” residential air filter on the market today. It is the “science inside” that makes our filters so special.


(6) What do I do if I cannot find a DuPont™ filter in my size?

Please refer to the tab in our website entitled "Size Chart" for those sizes stocked in stores or through special order. Not all stores carry all sizes of DuPont™ Air Filters. If a store does not carry your size air filter ask the store associate if they can special order the size in for you. If your size is not in our Size Chart, ask the store associate to request a quote on your special size from us.


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