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Home / Air Filter Sizes / BDP / 19x20x4.25

BDP 19x20x4.25 Air Filter

Actual Size 19.13 x 19.88 x 4.25-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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19x20x4.25

Actual Size 19.13x19.88x4.25

FILTERS
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Nominal Size 19x20x4.25
Actual Size 19.13x19.88x4.25
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Filter Description

  • Filter size: 19x20x4.25
  • Actual Size: 19.13 x 19.88 x 4.25"
  • Item Model Number: DPFPCC0021=DBP
  • 4.25-Inch Thick Filter
  • MERV 8 Filter Rating
  • Protection From: Pollen, Dust, Mold, and Dust Mites.
  • Residential / Commercial Use
  • Replacement Filter for BDP
DeliveryFree Delivery: Ships in 24 Hours
MADE IN USA

BDP 19x20x4.25 Air Filter

Actual Size 19.13 x 19.88 x 4.25-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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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
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.

19x20x4.25

Actual Size 19.13x19.88x4.25

Actual Size

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

Nominal Size 19x20x4.25
"
Filter Blank
"
"
Actual Size is 19.13x19.88x4.25

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

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Guarantee

Satisfaction guaranteed

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

Learn more

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.