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Air Filter Shield

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.


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Air Filters product list


RPS R14ALLM Replacement For Bionaire A1260C Carbon PreFilter 2-Pack
(Bionaire A1260C 1 R)

This Bionaire A1260C Carbon PreFilter 2-Pack is a charcoal-activated filter pack which effectively absorbs and eliminates common household odors. The Bionaire A1260C Carbon PreFilter comes in a money-saving 2-pack package.


In stock! Ships in 1 business day.
RPS R14ALLM Replacement For Bionaire A1260C Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
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Holmes HAPF96 Air Purifier Carbon PreFilter 2-Pack
(ROHAPF96M)

The Holmes HAPF96 is a holmes air filter for your Holmes air purifier. This carbon prefilter helps to remove large particles and odors in your homes air. This air purifier pre filter also protects your air purifiers HEPA filter.


Special Order. Ships in 7 days.
Holmes HAPF96 Air Purifier Carbon PreFilter
Our Price: $9.00

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Totaline DTLP102-1625 16x25 MERV 11 Filter
(DTLP102-1625)

The Totaline DTLP102-1625 16x25 MERV 11 Filter features a filter material that is constructed of continuous hydrophobic polyolefin fibers that will not shred or absorb moisture.


In Stock! Ships in 1 to 2 business days.
Totaline DTLP102-1625 16x25 MERV 11 Filter
Our Price: $37.44
Retail: $44.99
You Save 17%!

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Trion 227833-003 Charcoal Filter 5-Pack
(227833-003)

The Trion 227833-003 Charcoal Filter is an air filter replacement that fits select Trion 16x25 air cleaner models (see above). This Trion filter measures approximately 12" x 16" x 3/8" and features activated charcoal that absorbs odors and


Special Order. Ships in 10 days.
Trion 227833-003 Charcoal Filter
Our Price: $169.95

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Trion Air Bear Right Angle Air Cleaner Merv 11
(447380-510)

The 447380-510 is the correct air cleaner that uses: 5" thick electrostatically charged pleated filter media.

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In Stock! Ships in 42 to 43 business days.
Trion Air Bear Right Angle Air Cleaner Merv 11
Our Price: $131.99
Retail: $149.99
You Save 12%!

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Awair Glow Plug-In Air Quality Sensor
(AWAIR GLOW)

Take control of the air you breath inside your home with the Bitfinder Awair Glow Plug-In Air Quality Sensor.


In stock! Ships in 1 business day.
Awair Glow Plug-In Air Quality Sensor
Our Price: $115.00
Retail: $155.00
You Save 26%!

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GeneralAire 401-13156 MERV 11 Filter Media
(4051)

The GeneralAire Merv 11 ventilator filter replacement is designed for use in GeneralAire Air Cleaners. This part is often called a GeneralAire 401-13156. A suitable AC24 filter replacement, this Merv 11 replacement filter is expandable.


In Stock! Ships in 7 to 8 business days.
GeneralAire 401-13156 MERV 11 Filter Media
Our Price: $52.85
Retail: $69.99
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Lennox X8346 MERV 16 Filter Upgrade Kit
(X8346)

The Lennox X8346 MERV 16 Filter Upgrade Kit is the correct upgrade for the following whole-house purification system: Lennox PureAir PCO 12C This Lennox upgrade kit contains 4 PureAir UV-A lamps, and 1 PureAir MERV 16 filter. This upgrade kit

Free shipping within the continental United States!

Special Order. Ships in 4 days.
Lennox X8346 MERV 16 Filter Upgrade Kit
Our Price: $190.19
Retail: $215.00
You Save 12%!

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GeneralAire 100328 Ventilator Filter Replacement
(4663)

The GeneralAire filter pads are for use on your GeneralAire Venitlator. This ventilator filter media will keep your unit running at its best. The 100328 filter media is a genuine OEM part from the manufacturer. These ventilator filter pads will comp


Special Order. Ships in 7 days.
GeneralAire 100328 Ventilator Filter Replacement
Our Price: $41.99
Retail: $49.99
You Save 16%!

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Honeywell FC200E1003 MERV 13 Media Filter-16x20x5
(FC200E1003)

The Honeywell FC200E1003 Media Filter fits all Honeywell 16x20 Air Cleaners including the F200E Enviracaire Elite Series and others. Genuine Honeywell Part.


In Stock! Ships in 2 to 3 business days.
Honeywell FC200E1003 MERV 13 Media Filter-16x20x5
As Low As: $77.49
Retail: $79.99
You Save 3%!

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Lennox 98N44 MERV 8 Pleated Furnace Filter 4-Pack 4-Pack
(98N44)

This Lennox 98N44 MERV 8 Pleated Furnace Filters 4-Pack package is pleated filters that capture airborne particles and allergens between three to ten microns in size. The Lennox 98N44 MERV 8 filters come in this cost-cutting 4-pack package.


Special Order. Ships in 1 days.
Lennox 98N44 MERV 8 Pleated Furnace Filter 4-Pack
Our Price: $45.95

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RPS R14ALLM Replacement For Kenmore 83125 Carbon PreFilter 2-Pack
(KENMORE 83125 1 R)

The Kenmore 83125 Carbon PreFilter 2-Pack is cut-to-fit activated. The Kenmore Carbon PreFilter should be replaced every 2 to 3 months for optimum performance.


In stock! Ships in 1 business day.
RPS R14ALLM Replacement For Kenmore 83125 Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
You Save 10%!

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Free Flow Room Air Conditioner Filter - 15" x 24"
(93524)

This Free Flow Room Air Conditioner Filter (1777) is a universal 15" x 24" cut to fit black foam room air conditioner filter. It filters dirt, dust, soot, pollen, and other allergens.


Special Order. Ships in 2 days.
Free Flow Room Air Conditioner Filter - 15" x 24"
Our Price: $10.99
Retail: $15.99
You Save 31%!

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Hunter 30925 HEPAtech Purifier Filter 6-Pack
(30925)

The Hunter 30925 HEPAtech v Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.1 microns.


Special Order. Ships in 8 days.
Hunter 30925 HEPAtech Purifier Filter
Our Price: $150.00

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Honeywell Trane Perfect Fit 14.5x27x5 BAYFTFR14M 3-Pk 3-Pack
(HTRN1427T1)

These three Honeywell air filters are compatible furnace filters that can be used as upgrades over the Trane Perfect Fit filter of the same size. Genuine Trane Perfect Fit filters have only a MERV 8 rating, while these compatible Honeywell furnace f

Free shipping within the continental United States!

In Stock! Ships in 25 to 26 business days.
Honeywell Trane Perfect Fit 14.5x27x5 BAYFTFR14M 3-Pk
Our Price: $366.00

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Honeywell Trane Perfect Fit Filter 24x27x5 BAYFTFR24M 3-Pack
(HTRN2427T1)

These three Honeywell air filters are compatible furnace filters that can be used as upgrades over the Trane Perfect Fit filter of the same size. Genuine Trane Perfect Fit filters have only a MERV 8 rating, while these compatible Honeywell furnace f

Free shipping within the continental United States!

In Stock! Ships in 8 to 9 business days.
Honeywell Trane Perfect Fit Filter 24x27x5 BAYFTFR24M
Our Price: $150.00

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RPS R14ALLM Replacement For Shop-Vac 8017062 Carbon PreFilter 2-Pack
(SHOP-VAC 8017062 1 R)

The Shop-Vac 8017062 Carbon PreFilter 2-Pack is a replacement two pack of carbon pre-filters for the Shop-Vac 1030000 air cleaner model. These carbon filters reduce airborne contaminants down to 5 microns and allows you to reduce dust and dirt from


In stock! Ships in 1 business day.
RPS R14ALLM Replacement For Shop-Vac 8017062 Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
You Save 10%!

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Lennox 91X25 MERV 8 Pleated Air Filters 4-Pack 4-Pack
(91X25)

The Lennox 91X25 MERV 8 Pleated Air Filters 4-Pack is a replacement set of pleated air filters that arrives in a 4 pack. These Healthy Climate furnace filters boast a MERV 8 rating, which can reduce mold spores, dust, and tiny particles from your ai


In stock! Ships in 1 business day.
Lennox 91X25 MERV 8 Pleated Air Filters 4-Pack
Our Price: $47.93

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Trion Duct Mount HE Plus 2000, 455600-001
(455600-001)

The Trion Duct Mount HE Plus 2000, 455600-001 is an Electronic Whole House Air Purification System. The HE Plus 2000 includes an elctronic air flow sensor. This is a genuine Trion product. Learn how the HE Plus 2000 can help you...

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In Stock! Ships in 22 to 23 business days.
Trion Duct Mount HE Plus 2000, 455600-001
Our Price: $394.99
Retail: $420.00
You Save 6%!

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3M Filtrete Dust Reduction Filter - Filtrete 300 6-Pack
(Filtrete 300)

The Filtrete 300 Dust Reduction Filter is a replacement non-electrostatic pleated filter that attracts and captures household dust


In stock! Ships in 1 business day.
3M Filtrete Dust Reduction Filter - Filtrete 300
Our Price: $42.90

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Lennox Y2920 Whole House Air Filter Cabinet
(Y2920)

The Lennox Y2920 Whole House Air Filter Cabinet is the correct system that is: Compatible with any HVAC system and does not require an additional power source


Special Order. Ships in 8 days.
Lennox Y2920 Whole House Air Filter Cabinet
Our Price: $93.75
Retail: $119.00
You Save 21%!

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Lennox X8345 MERV 16 Filter Upgrade Kit
(X8345)

The Lennox upgrade kit, part number x8345 is meant for your Lennox PureAir PCO-20C air filtration unit. This MERV 16 filter measures 21" x 26" x 4" inches. Also known as the Lennox healthy climate, this filter upgrade kit will provide you with even

Free shipping within the continental United States!

In stock! Ships in 1 business day.
Lennox X8345 MERV 16 Filter Upgrade Kit
Our Price: $312.15
Retail: $343.15
You Save 9%!

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Hunter 30962 QuietFlo HEPA Purifier Filter
(30962)

The Hunter 30962 QuietFlo HEPA Purifier Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.3 microns. This is a true HEPA filter and a genuine OEM Hunter part.


Special Order. Ships in 3 days.
Hunter 30962 QuietFlo HEPA Purifier Filter
Our Price: $73.99
Retail: $85.00
You Save 13%!

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Crane Humidifier Cleaner and Descaler - 8 Ounces 6-Pack
(HS-1933)

This 8 ounce bottle of Crane Humidifier Cleaner and Descaler (HS-1933) is a liquid descaler and cleaner which removes lime, calcium, and similar types of mineral scale from humidifiers, evaporators, vaporizers, and other similar units. It also contr


In Stock! Ships in 3 to 4 business days.
Crane Humidifier Cleaner and Descaler - 8 Ounces 6-Pack
Our Price: $110.08
Retail: $114.53
You Save 4%!

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RPS R14ALLM Replacement For Bionaire A1000C Carbon PreFilter 2-Pack
(Bionaire A1000C 1 R)

The Bionaire A1000C Carbon PreFilter 2-Pack is the correct replacement for the following models of Bionaire air cleaners: SH1240 SH1260 SH1840 SH1860 This carbon prefilter's dimensions are 11.5" x 11.5" x 0.2". This Bionaire prefilter traps


In stock! Ships in 1 business day.
RPS R14ALLM Replacement For Bionaire A1000C Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
You Save 10%!

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Filters Fast - Air Filters

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