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While many people worry about outdoor air quality, statistics show that they actually should be more concerned about indoor air quality (IAQ). IAQ is the measure of harmful pollutants discovered within or around your home. The EPA ranks IAQ as one of the top five public health risks.

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Air Filter FAQ

Can I use the same air filter for both heat and AC?

Yes, both AC filters and furnace filters are the same thing. We categorize filters based on their intended use to make filter shopping easier for the customer. During the summer months you are more likely to search for AC filters. While during colder winter months you are looking to buy furnace filters. A good tip for remembering when to change your filters is to replace them at the start of each new season.

Which direction does the air filter go?

Always point the arrow on the box in the direction of airflow. If you are unsure the direction of airflow turn on the system fan. Do not remove the old filter before checking airflow as this might allow dirt or debris to escape.

What is air filter MERV rating?

The Minimum Efficiency Reporting Value (MERV) is used by manufacturers to explain how efficent the air filter is at trapping airborne particles. A higher MERV rating means cleaner air but reduced air flow. MERV 8 filters capture 80% of airborn particles like pollen, dust mites, mold spores, and pet dander down to 3 microns in size. MERV 11 air filters capture up to 95% of the above mentioned airborne particles down to 1 micron in size. If you choose a MERV 13 filter expect greatly diminished airflow but improved filtration of bacteria, tobacco smoke, and cooking oil down to 0.3 micorn in size. Before you choose a MERV rating check with your HVAC manufacturer to see what your system is designed to handle. Picking the wrong filter can impact air flow and reduce equipment life.

When to change the air filter in your house?

Replace your air filters every 3 months. You may need to replace your filters more frequently depending on air quality. If you are unsure about indoor air quailty check the filter monthly. If you notice the filter material is greatly discolored or noticably dirty change out the filter. Failing to replace air filters as recommened can lead to reduced system efficieny, greater energy costs, and poor air quailty.

Which air filter is best for allergies?

If you have respiratory problems caused by pollen, dust, mold, or pet dander a MERV 11 filter can help reduce the severity of aliments caused by allergies. If you are sensitive to smoke from cooking or tobacco a MERV 13 filter is recommend. For many allergy sufferers it is recommend you install filters to process both supply and return air. Before you choose a MERV rating check with your HVAC manufacturer to see what your system is designed to handle. Picking the wrong filter can impact air flow and reduce equipment life.

Which air filter is best for my home?

Your choice in air filter should depend on needs. MERV 8 filters are perfect if you have no pets and allergies are not a serious concern. MERV 11 filters are recommend for occasional allergy sufferers and homes with pets. A MERV 13 filter should be used if allergies are a serious concern and there are tobacco smokers in the house.

Where are they made?

Filtersfast brand air filters are proudly made in America. While the manufacturing location of products can vary from company-to-company, Country of Origin laws require that most products manufactured outside of America bear labeling that tells consumers where the product is made. This label should be visable on the product itself or the packaging in which it arrived.

Are the home air filters electrostatically charged?

Yes, Filtersfast, Filtrete, Carrier, among many other air filter brands use an electrostatically charged filter media. Fiberglass air filters are far less common today and were never designed to improve air quality, rather they protect HVAC systems from large dirt and debris.

Hunter furnace and air filters are needed to be used to keep up air quality by removing contaminants and allergen from your air.

Hunter Air Filters Furnace Filters full product list:


Hunter 30966 HEPAtech Filter for 30747
(30966)

The Hunter 30966 HEPAtech Filter Replacement is a replacement air filter for certain Hunter PermaLife Air Purifier Systems including the Hunter PermaLife 30747, Hunter PermaLife 30748, and Hunter PermaLife 30750.


This item has been discontinued. Please review the product description for more information.
Hunter 30966 HEPAtech Filter for 30747
Our Price: $72.99
Retail: $84.99
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Hunter EnduraWick Humidifier Filter 31920
(31920)

The Hunter EnduraWick Humidifier Filter 31920 is a humidifier filter that is with EnduraWick 5G humidifiers (32502, 32512A and 32517). This filter is designed to last a full season, saving both time and money. This Wick humidifier filter


This item has been discontinued. Please review the product description for more information.
Hunter EnduraWick Humidifier Filter 31920
Our Price: $26.95
Retail: $30.99
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Hunter QuietFlo 245 True HEPA Air Purifier 30245
(30245)

The Hunter QuietFlo 245 True HEPA Air Purifier is a home air purifier which filters dust, smoke, and pollen. Pulling the air through the front grill into the HEPA air purifier quickly and effectively removes odors through the activated carbon pre-f

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This item has been discontinued. Please review the product description for more information.
Hunter QuietFlo 245 True HEPA Air Purifier 30245
Our Price: $178.32
Retail: $208.99
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Hunter 30059 HEPA Air Purifier - HEPAtech Series
(30059)

The Hunter 30059 HEPA Air Purifier is a whisper-quiet, 3 speed, 99.97% effective HEPAtech air purifier. With a separate carbon pre-filter which allows for 30% better odor reduction, the Hunter 30059 HEPA air purifier eliminantes pollutants and conta

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This item has been discontinued. Please review the product description for more information.
Hunter 30059 HEPA Air Purifier - HEPAtech Series
Our Price: $82.99
Retail: $99.99
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Hunter 30836 Tower Air Purifier with HEPA Filter
(30836)

The Hunter 30836 Tower Air Purifier with HEPA Filter is an air cleaner that provides four stages air protection. The HEPA filter of this Hunter 4 in 1 reduces 99.7% of pollen, dust, smoke, allergens, and pollutants from your indoor air. The Microban

Free shipping within the continental United States!

This item has been discontinued. Please review the product description for more information.
Hunter 30836 Tower Air Purifier with HEPA Filter
Our Price: $102.99
Retail: $129.99
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Hunter 30851 Air Purifier UVC Bulb Compatible
(30851)

The Hunter 30851 Air Purifier UVC Bulb Replacement is a replacement UVC bulb for several Hunter UVC air purifiers, including models 30845, 30846, 30847, 30848, 30849, 30877, and 30878. This UVC bulb for air purifiers helps reduce airborne viruses, g


This item has been discontinued. Please review the product description for more information.
Hunter 30851 Air Purifier UVC Bulb Compatible
Our Price: $32.99
Retail: $39.99
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Hunter 30906 HEPA Comp. Filter w/ Microban 2-Pack 2-Pack
(30906)

The Hunter 30906 HEPA Filter w/ Microban 2-Pack is a set of replacement air filters for the Hunter Model 30836, 30841, 30847, and 30848 Air Purifiers. Arriving in a convenient two pack and boasting Microban protection, these Hunter HEPA filters clea


This item has been discontinued. Please review the product description for more information.
Hunter 30906 HEPA Comp. Filter w/ Microban 2-Pack
Our Price: $46.00

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Hunter 30408 Germicidal Air Purifier
(30408)

The Hunter 30408 is a germicidal air purification system that features: 3 speeds for room sizes up to 8 feet by 10 feet.

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This item has been discontinued. Please review the product description for more information.
Hunter 30408 Germicidal Air Purifier
Our Price: $132.99
Retail: $199.99
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Hunter Germicidal Air Purifier Oil Rubbed Bronze
(30895)

The Hunter 30895 is a Total Air Sanitizer that sanitizes rooms of the following size: Up to 26 feet by 30 feet The Hunter Germicidal Air Purifier Oil Rubbed Bronze contains a HEPA filter that traps 99.9% of allergens from your indoor air. This

Free shipping within the continental United States!

This item has been discontinued. Please review the product description for more information.
Hunter Germicidal Air Purifier Oil Rubbed Bronze
Our Price: $162.99
Retail: $199.99
You Save 19%!

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Hunter 30973 - Germicidal Replacement Air Filter
(30973)

The Hunter 30973 - Germicidal Replacement Air Filter is a replacement HEPA air filter for the Hunter Model 30890, 30891, 30892, 30895, and 30405 Air Purifiers. This Hunter air filter replacement features HEPA-type media with electricity applied thro


This item has been discontinued. Please review the product description for more information.
Hunter 30973 - Germicidal Replacement Air Filter
Our Price: $42.99
Retail: $49.99
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Hunter 31206 Ultrasonic Humidifier & Germ Shield
(31206)

The Hunter 31206 Ultrasonic Humidifier & Germ Shield is a medium room humidifier that provides moisture in rooms up to 192 square feet in size. This Hunter Ultrasonic humidifier features UV-C technology that kits up to 99% of viruses, germs, mold, a

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This item has been discontinued. Please review the product description for more information.
Hunter 31206 Ultrasonic Humidifier & Germ Shield
Our Price: $79.99
Retail: $92.99
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Hunter 31947 Replacement Humidifier Wick Filter
(31947)

The Hunter 31947 Replacement Humidifier Wick Filter is compatible for use with the Hunter model 36316 and 36317 Germ-Free Cool Mist tower humidifiers. This Hunter humidifier filter features Microban antimicrobial protection, which prevents the growt


This item has been discontinued. Please review the product description for more information.
Hunter 31947 Replacement Humidifier Wick Filter
Our Price: $29.95
Retail: $35.99
You Save 17%!

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Hunter 31952 Replacement Humidifier Wick Filter
(31952)

The Hunter 31952 Replacement Humidifier Wick Filter assists your humidifier in producing clean moisture by using antimicrobial protection to block the growth of bacteria, fungi, mildew, and mold in your water. This Hunter humidifier filter, also kno


This item has been discontinued. Please review the product description for more information.
Hunter 31952 Replacement Humidifier Wick Filter
Our Price: $18.99
Retail: $21.99
You Save 14%!

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Hunter 31960 Demineralization Cleaning Tablets
(31960)

The Hunter 31960 Demineralization Cleaning Tablets drops into the tank of your Hunter Ultrasonic Humidifier and purifies the water. These humidifier cleaning tablets remove white dust and prolong the life of your humidifier. These humidifier tablets


This item has been discontinued. Please review the product description for more information.
Hunter 31960 Demineralization Cleaning Tablets
Our Price: $12.99
Retail: $14.99
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Hunter 32200 Small Room Paperwick Humidifier
(32200)

The Hunter 32200 Small Room Paperwick Humidifier provides comfortable moisture in rooms up to 1175 square feet in size. This small room humidifier has a removable tank and handle for quick & easy refilling. This evaporative humidifier has a 2 gallon


This item has been discontinued. Please review the product description for more information.
Hunter 32200 Small Room Paperwick Humidifier
Our Price: $40.99
Retail: $49.99
You Save 18%!

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Hunter 33116 Evaporative Humidifier - Medium Rooms
(33116)

The Hunter 33116 Evaporative Humidifier - Medium Rooms provides comfortable levels of moisture for up to 24 hours of run time in medium-sized rooms. This cool mist humidifier features Microban antimicrobial protection that inhibits the growth of bac


This item has been discontinued. Please review the product description for more information.
Hunter 33116 Evaporative Humidifier - Medium Rooms
Our Price: $67.99
Retail: $78.99
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Hunter 35156 Humidifier w/ Germ Shield & Vaporizer
(35156)

The Hunter 35156 Humidifier w/ Germ Shield & Vaporizer provides comforting warm steam and mist. Featuring a 24 hour run time, this vaporizer humidifier features Microban antimicrobial protection that inhibits the growth of bacteria and mold on your


This item has been discontinued. Please review the product description for more information.
Hunter 35156 Humidifier w/ Germ Shield & Vaporizer
Our Price: $29.72
Retail: $39.99
You Save 26%!

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Hunter 33119 Evaporative Humidifier - Medium Rooms
(33119)

The Hunter 33119 is an evaporative humidifier designed for the following size rooms: Medium size rooms The Hunter 33119 Evaporative Humidifier - Medium Rooms has a 1.1 gallon capacity. This Hunter humidifier features Microban antimicrobial pro


This item has been discontinued. Please review the product description for more information.
Hunter 33119 Evaporative Humidifier - Medium Rooms
Our Price: $67.99
Retail: $78.99
You Save 14%!

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Filter Monster 30985G Replacement for Hunter 30985
(30985)

The Hunter 30985 - Replacement Purifier Filter- 30480 is a replacement air filter for the Hunter 30408 and 30442 air purifiers. This replacement Hunter filter is an electric HEPA filter that traps up to 99.9% of airborne particles while also elimina


This item has been discontinued. Please review the product description for more information.
Filter Monster 30985G Replacement for Hunter 30985
Our Price: $29.99
Retail: $35.99
You Save 17%!

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Hunter 30840 4-in-1 HEPA Total Air Purifier
(30840)

The Hunter 30840 HEPA air purifier combines a slim design that fits with the style of most rooms, washable filter technology, and effective air filtration when used in kitchens, bedrooms, studies, and most other medium sized living areas.

Free shipping within the continental United States!

This item has been discontinued. Please review the product description for more information.
Hunter 30840 4-in-1 HEPA Total Air Purifier
Our Price: $102.99
Retail: $119.99
You Save 14%!

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Filters Fast - Hunter Air Filters Furnace Filters

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