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10x10x4 Air Filter

Actual Size 9.5 x 9.5 x 3.75-Inches Actual size info The nominal size is the size rounded to the closest whole or half an inch. The actual size is the precise physical size of the filter. Learn more.

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10x10x4

Actual Size 9.5x9.5x3.75

FILTERS
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Nominal Size 10x10x4
Actual Size 9.5x9.5x3.75
9.5"
9.5"
3.75"
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Filter Description

  • Filter size: 10x10x4
  • Actual Size: 9.5 x 9.5 x 3.75"
  • 4-Inch Thick Filter
  • MERV 8 Filter Rating
  • Protection From: Pollen, Dust, Mold, and Dust Mites.
  • Residential / Commercial Use
DeliveryFree Delivery: Ships in 24 Hours
MADE IN USA

10x10x4 Air Filter

Actual Size 9.5 x 9.5 x 3.75-Inches Actual size info The nominal size is the size rounded to the closest whole or half an inch. The actual size is the precise physical size of the filter. Learn more.

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Filter Quality
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DeliveryFree Delivery: Ships in 24 Hours
30-Day Money-Back Guarantee

If for any reason you are not satisfied with your purchase, return it to us within 30 days, and we'll make it right.

INCLUDED IN YOUR ORDER

  • Made in USA
    Made in USA

    All filters are designed and assembled in the U.S.A.

  • Premium Quality
    Premium Quality

    We design and manufacture our filters right here in the U.S.A.

  • Secure Payments
    Secure Payments

    Your information is always secure and encrypted during checkouts.

What MERV should I choose?

Filter King makes a variety of MERV-rated standard filters for all commercial and residential HVAC systems, and we can also manufacture custom-sized filters on request.

Choose Merv Type

12x36x1 Air Filter

Filter King 12x36x1 size air filters are active tools that consistently clean out incoming airflow of harmful irritants. The filtration provided helps ensure that the indoor air quality of your home does not suffer over time. Your pleated air filters consist of tight mesh weaving designed to capture and absorb airborne particles like mold spores, household dust, airborne allergens, etc traveling in passing airflow. The pleated air filters are easily installed in an accompanying air conditioner system to provide a layer of protection, but they become dirtier the longer they go without a replacement.

Over time, your pleated air filters will capture and absorb dirt constantly until they are covered in the trapped particles. Dirty air filters are unable to properly allow the passage of airflow into your home. The resulting lack of airflow will stop air from cycling through your home, resulting in dryness and stagnation. Dirty air filters also cause their connected HVAC systems to use more energy in an attempt to push past the blockages, resulting in increased energy costs and HVAC system strain.

When you neglect to replace your pleated air filters, then the resulting problems may cost you thousands of dollars annually. New pleated air filters will allow airflow to pass through naturally while also keeping it clean. We offer a range of regular size filters and we also offer custom size filters. Our 12x36x1 size pleated air filters have MERV ratings (Minimum Efficiency Reporting Value) of eight, eleven, or thirteen. Our pleated air filters are capable of blocking out irritants like:

  • Pollen
  • Dust
  • Mold Spores
  • Dust Mites
  • Bacteria
  • Pet Dander
  • Smoke
  • Viruses

12 x 36 x 1 Filter Delivery

If you care about saving money without compromising on quality. You will never regret buying from us. 

Filter King 12 x 36 x 1 size air filters are sold at affordable rates, making a regular replacement schedule easier than ever to maintain. Orders of two or more air filters are shipped for free, and we offer a subscription service to have new pleated air filters delivered as often as monthly. Order today and have fresh, new air filters that help ensure clean air flow for your home.

FK Lion ALWAYS THE RIGHT FILTER GUARANTEE

Selecting the Appropriate Air Filter Size

Air filters come with both a nominal size and an actual size. The nominal size is typically rounded up to the nearest whole or half inch and is printed in a larger font.

Nominal Size

The nominal size is typically rounded up to the nearest whole or half inch and is printed in a larger font.

10x10x4

Actual Size 9.5x9.5x3.75

Actual Size

The actual size represents the precise physical dimensions of the filter and is printed in a smaller font.

Nominal Size 10x10x4
9.5"
Filter Blank
9.5"
3.75"
Actual Size is 9.5x9.5x3.75

Measuring

If your previous filter lacks dimensions printed on the frame,
take a tape measure and record the
length x width x depth.

LinkLearn more about filter sizes

Key Features

MERV 8 Air Filters stand out as the preferred choice among various MERV ratings. They significantly enhance indoor air quality while optimizing the efficiency of your HVAC system, effectively eliminating up to 90% of airborne contaminants while maintaining optimal airflow.

Industry Standard Board Frames

Paperboard air filter frames are cut to fit any air filtration system, and their purposes is to hold HVAC filters in place. They consist of a weave that traps and absorbs the particles caught in the incoming airflow.

Air Filter

Pleated Air Filters

This innovative design ensures that our filters last three times longer than fiberglass counterparts while effectively capturing harmful particles, ultimately enhancing air quality for everyone.

Protects Against

  • Pollen
    Pollen
  • Dust
    Dust
  • Mold
    Mold
  • Dust Mites
    Dust Mites
  • Bacteria
    Bacteria
LinkLearn more about what air filters do

Pleated Vs Fiberglass?

A pleated air filter's media follows a folding pattern, which creates increased surface area, and in turn, allows more air flow while maintaining the quality of air. On the other hand, a fiberglass filter has a minimal surface area, and furnace filters out larger particles
like dust and lint and is not very effective.

Pleated Filter
Pleated Filter
  • Larger surface area captures more particles
  • Less replacement frequency
  • Average lifespans of 3-12 months
  • Higher MERV rating 8-13
  • Higher quality, sturdy and durable
Fiberglass Filter
Fiberglass Filter
  • Smaller surface area captures less particles
  • More replacement frequency
  • Average lifespans of 1-2 months
  • Lower MERV rating 2-4
  • Lower quality, flimsy and porous

How often should you change your filter?

Filter King AC & furnace filters aren’t the typical fiberglass filters that need to be replaced every 30 days. Our filters can typically be used for 3 months without change.

You should change your filter more frequently if you notice:

  • Household dust build-up
  • Higher energy bills
  • The air isn’t cooling as is used to
  • There’s more dust near the air vents
  • A dirty filter surface
  • Burning smells near your HVAC system

How to install your air filter?

Installation couldn't be easier. Every filter features an airflow arrow printed on its side. It's crucial to align this arrow with the direction of the air when inserting the filter into your furnace or central air return ducts.

  • Step 1
  • Step 2
  • Step 3
  • Step 4

Why replacement Air Filters?

MERV 8 filters stand out as the preferred choice among various MERV ratings. They significantly enhance indoor air quality while optimizing the efficiency of your HVAC system, effectively eliminating up to 90% of airborne contaminants while maintaining optimal airflow.

Clean Air

Clean Air for you and
Your Family

Air filters serve 3 critical roles in your central air system that contribute to the health and comfort of residents and customers. Air filters remove harmful pollen, dust, dander, smoke. and bacteria, so they don't circulate throughout your home or commercial space from a dirty filter.

Clean Air

The comfort of clean air

Air filters serve 3 critical roles in your central air system that contribute to the health and comfort of residents and customers. Air filters remove harmful pollen, dust, dander, smoke. and bacteria, so they don't circulate throughout your home or commercial space from a dirty filter.

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We've got plenty.

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Similar Sizes

4 Pack of 10x10x4a Air Filter 10x10x4 4 Pack of 10x14x4a Air Filter 10x14x4 4 Pack of 10x14x4 Air Filter 10x14x4 4 Pack of 10x15x4 Air Filter 10x15x4

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If the measurements on your current filter match the ones mentioned above, then you have identified your filter size.

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About Filter King

Filter King is an air filter manufacturer that specializes in making high quality air filters for a variety of purposes. The company has been in business for over 4 years and has already established a strong reputation for making air filters that are both effective and affordable.

Filter King air filters are designed to remove airborne particles such as dust, pollen, and smoke from the air, making them an ideal choice for people with allergies or respiratory problems. Filter King air filters are used in homes, office buildings, and hospitals across the country.

The company's air filters are also used in a variety of industries, including food processing, pharmaceuticals, and manufacturing. The company offers a wide range of air filters, including models that are custom size, designed exactly for your need.