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16x20x2 MERV 8 Air Filters

Name: 16x20x2 MERV 8 Air Filter
Brand: Filter King
SKU: FK16x20x2-M8
Price: 31.92 USD
Availability: InStock
Rating: 4.7806125 (196 reviews)

Actual size: 15.5 x 19.5 x 1.75 inches

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Filter guide

MERV 8 MERV 11 MERV 13 ODOR ELIMINATOR

Standard

Pleated air filters suitable for furnaces, ACs and residential HVAC systems

Learn more

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16x20x2 air filter description

SKU

FB16X20X2
MERV rating

MERV 8
MPR rating

MPR 600
FPR rating

FPR 5
Filtration efficiency

90%
Odor eliminator

No
Captured particle size

3-10 microns
Lifespan

2-3 months

What does MERV 8 protect against?

MERV 8 filters remove up to 90% of common household particles including dust mites, pollen, pet dander, and mold spores. These filters provide basic air quality for standard homes without allergies.

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Processed quickly, ships fast, free for all orders
Easy to return/exchange

Return your items within 30 days and get a full refund
All sizes available

Find your perfect fit with our complete size range

Who is the 16x20x2 MERV 8 best for?

MERV 8 air filters are ideal for homes seeking improved air quality and standard filtration. These filters are best in homes where pet dander is lower and there are no risks of outdoor pollution or construction. MERV 8 air filters provide sustainable air filtration without a high efficiency system in place. They capture up to 90% of particles and are generally used in family homes and smaller offices.

When to replace your 2-inch air filter?

A 2-inch filter holds more dust than a 1-inch one, but it still needs regular changes. Here's how often, based on your home.

Asthma or allergies

Every ~8 weeks

A 2-inch filter holds more dust than a 1-inch, but allergy-prone homes should still swap it every 8 weeks or so.
Pets

Every ~2 months

Pet dander builds up in any filter over time. Plan to change your 2-inch filter about every 2 months to stay ahead of it.
Young children

Every 2–4 months

With kids at home, aim to replace your 2-inch filter every 2 to 4 months to keep the air they breathe cleaner.

What happens if you don’t replace on time?

Your filter catches dust every day, but it can only hold so much. Once it's full, dirty air keeps circulating and your system has to work harder – leading to problems that spread through your whole home.

Higher energy bills

A clogged filter makes your system work much harder to push air through. That extra effort shows up on your energy bill.
Costly system breakdowns

When air can't flow through, your AC can freeze up in summer and your furnace can overheat in winter.
Stuffy, uncomfortable rooms

A dirty filter weakens your system's airflow, so some rooms end up too hot, too cold, or just plain stuffy.

MERV rating comparison

Recommended for

Comparable ratings

Filtration efficiency

Dust mites

10+ microns

Pollen

10-100 microns

Pet dander

5-10 microns

Lint and fabric fibers

10+ microns

Mold spores

3-10 microns

Fine dust

1-3 microns

Smoke particles

0.3-1 micron

Smog and fine particles

0.1-1 micron

Bacteria

0.3-5 microns

Virus carriers

0.3-1 micron

Wildfire smoke

0.4–2.5 microns

Odors and gases

Molecular level

VOCs

Molecular level

Cooking odors

Molecular level

Learn more

Basic air quality,
standard homes

FPR 5,
MPR 600

90% of common particles

MERV 8 filters

Better air quality, homes with allergies, pets

FPR 7,
MPR 1000-1200

95% of common particles

MERV 11 filters

Superior air quality, health concerns, allergies

FPR 10,
MPR 1500-1900

98% of common particles

MERV 13 filters

Odor control, cooking smells, pet areas

FPR 5 + Carbon,
MPR 600 + Odor

90% of common particles

Odor eliminator filters

What makes Filter King so good?

It comes down to using better materials. Click around to see how we build a stronger filter that actually protects your home.

Front beverage board frame

The diagonal straps die-cut into the frame bond to each pleat tip, keeping them evenly spaced so the filter won't bow.

MERV 8 pleated media

Traps up to 90% of everyday particles like dust mites, pollen, pet dander, and mold spores, while still letting air flow through freely.

Wire support grid

An expanded wire grid bonds to the media, stopping the pleats from shifting or pulling away under airflow.

Back beverage board frame

The same heavy-duty, moisture-resistant beverage board on the exit side holds its shape and keeps a tight seal in your vent or wall slot.

Activated carbon layer

A layer of activated carbon absorbs odor molecules from cooking, pets, and chemical fumes – catching what the filter media alone can't.

Customer reviews

How to find your air filter size?

Check the label on your current filter or use a tape measure to get the exact length, width, and depth before selecting your size.

Nominal size

Nominal size is what you normally see printed on the label. This is usually a rounded size which is often not the true size of your filter.

Actual size

Actual size is the true size of the air filter, usually written in smaller font below the nominal size.

Measuring

Measure your current air filter or the length, width, and depth of the opening slot to get the actual size. Round it up to the nearest whole inch to get the nominal size.

How to install 16x20x2 air filter?

Installing 16x20x2 air filters couldn't be easier. Just make sure to align the arrow printed on the side with the airflow direction!

1

Remove the air filter from the package
2

Locate the arrow and point it in the direction of the fan
3

Slide the filter in to the slot of the central unit
4

For return grills, insert the filter into the grill, pointing the arrow inwards

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Need to remember to reorder every time you run out
Forget to reorder, and a dirty filter can drive up your energy bills.

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Frequently asked questions

Frequently Asked Questions (FAQs)

What is the actual size of a 16x20x2 air filter?

The actual size of a 16x20x2 air filter is approximately 15.5 x 19.5 x 1.75 inches when ordering from FilterKing. Manufacturers undersize filters so they fit securely in the filter rack's environment without bending the box itself. Always buy the listed size your system specifies to ensure proper sealing while preventing bypass.

Can I use a 16x20x2 filter in a 16x20x1 slot?

No. You cannot use a 2-inch filter in a 1-inch slot. You'll want to find the perfect size for ideal airflow at a good price. Forcing a 2-inch filter into a 1-inch slot can damage the filter, block airflow, and prevent the cover from closing properly.

How often should I replace my 16x20x2 air filter?

Replace your 16x20x2 air filter every 3–6 months to reduce energy costs and to help ensure proper airflow throughout your home. Houses with pets, constant HVAC system usage, or high dust may consider replacing these filters closer to 3 months.

Will a 16x20x2 MERV 13 filter restrict airflow in my system?

No, a MERV 13 filter does not restrict airflow if the system supports 2-inch filters. The extra cost results in added depth that provides more surface area than a 1-inch filter, which helps with managing resistance. Confirm your HVAC system allows MERV 13 and monitor airflow after installation. Determine the actual size of the filter before installing it for the best results.

Are 16x20x2 filters harder to find than 1-inch filters?

Yes, 2-inch filters are often harder to find than 1-inch filters because fewer systems use them. Understanding the actual size of the filter you need is important to ensure you buy the right ones consistently. Buying online before you replace your filter is highly recommended to ensure you are getting exactly what you need.

Can I wash and reuse my 16x20x2 pleated filter?

No. These filters are built to be disposable, not washable. Washing damages the filter media and reduces particle capture. Once the filter loads with dust, replacement is the way to go.

What's the difference between 16x20x2 and 16x20x1 filters?

A 16x20x2 air filter has more media than a typical 1-inch filter, which allows longer life and steadier airflow. A 2-inch filter also typically lasts between 3–6 months, while a 1-inch filter lasts 1–3 months in total. Additional information can be found on filter labels to ensure you are installing the right filter for your home's system.

Why choose 16x20x2 instead of upgrading to 4-inch filters?

Choose a 16x20x2 filter if you want longer filter life without installing a new and separate media cabinet. Four-inch filters require cabinet upgrades and higher upfront costs. A 2-inch filter offers fewer replacements than 1-inch options while fitting seamlessly into systems already designed for deeper racks.

16x20x2 MERV 8 Air Filters

Choose filter quality

Standard

Select quantity

16x20x2 air filter description

What does MERV 8 protect against?

Choose how to buy

Who is the 16x20x2 MERV 8 best for?

When to replace your 2-inch air filter?

Asthma or allergies

Pets

Young children

What happens if you don’t replace on time?

Higher energy bills

Costly system breakdowns

Stuffy, uncomfortable rooms

MERV rating comparison

What makes Filter King so good?

Front beverage board frame

MERV 8 pleated media

MERV 11 pleated media

MERV 13 pleated media

MERV 8 pleated media

Wire support grid

Back beverage board frame

Activated carbon layer

Customer reviews

How to find your air filter size?

Nominal size

Actual size

Measuring

How to install 16x20x2 air filter?

Set it and forget it with auto-delivery

Without auto-delivery

With auto-delivery (save 5%)

Frequently Asked Questions (FAQs)

What is the actual size of a 16x20x2 air filter?

Can I use a 16x20x2 filter in a 16x20x1 slot?

How often should I replace my 16x20x2 air filter?

Will a 16x20x2 MERV 13 filter restrict airflow in my system?

Are 16x20x2 filters harder to find than 1-inch filters?

Can I wash and reuse my 16x20x2 pleated filter?

What's the difference between 16x20x2 and 16x20x1 filters?

Why choose 16x20x2 instead of upgrading to 4-inch filters?