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20x40x4 Air Filter

Nominal Size
Actual Size
Merv Rating

Bulk Quantity Pricing

4 6 12 48 72 120
Quantity

19.5x39.5x4

MERV 8

$38.67 $34.80 $34.03 $32.87 $29.00 $27.07

19.5x39.5x4

MERV 13

$38.89 $35.00 $34.22 $33.06 $29.17 $27.22

19.5x39.5x4

MERV 11

$43.77 $39.39 $38.52 $37.20 $32.83 $30.64

The 20x40x4 air filter safeguards your HVAC unit from damage while improving its efficiency. In an HVAC system, the air filter is a crucial component as it enhances the air quality in your home. This filter is compatible with various HVAC systems, including furnaces, air conditioners, central air systems, and many others. The 20x40x4 air filter from Custom Filters Direct has efficient filtration capabilities that help remove particles such as dust, pet dander, pollen, debris, and other contaminants that affect your home’s air quality. Its construction features a 4-inch thickness, which allows it effective filtration of small particles.

  • Filtration Ability: Higher MERV ratings provide effective filtration ability
  • Replacement Frequency: This should be replaced every 3 to 6 months
  • Compatibility with Systems: Fits most HVAC systems.

Features Of 20x40x4 Air Filter

Eliminates Odor: The 20x40x4 air filter can eliminate odors from homes. It captures airborne particles that are the primary sources of unpleasant smells. This filter helps resolve odor issues effectively.

Dimensions: The actual size of the 20x40x4 air filter is 19.5x39.5x4 which is a little smaller than its nominal size. Check your filter’s size is crucial so it can fit properly inside the HVAC system and work efficiently.

MERV Ratings: Comes with high MERV ratings and is available in three ratings which are 8, 11, and 13. The 20x40x4 filter is effective in removing airborne particles. These filters are great for residential use.

Benefits Of 20x40x4 Air Filter

Enhances Indoor Air Quality: The 20x40x4 air filters are excellent at capturing dust and other airborne particles. By trapping these particles that flow through your home, they contribute to a healthier indoor environment.

HVAC Efficiency Improves: Airborne particles cannot pass through the 20x40x4 air filter and instead get trapped on its surface. These particles can impact the system's performance. By removing these particles, the HVAC unit operates smoothly and its efficiency improves.

Prevent HVAC Damages: The effective filtration of 20x40x4 air filters protects the components of the HVAC system by preventing contaminants from entering and causing damage. These filters help avoid this problem.

Key Points To Consider

Here are some important things to think about before choosing a 20x40x4 air filter for your HVAC system:

Specification Of HVAC System: It’s important to consider that your HVAC system specifications support the 20x40x4 filter. The HVAC unit must be compatible with the air filter to function properly and avoid issues such as mold formation inside it.

MERV And MPR Ratings: When picking a 20x40x4 air filter, it's good to choose one with MPR ratings between 600 and 2200 and a MERV rating from 8 to 13. MPR ratings show how well the filter can catch tiny particles in the air.

Budget: Considering your budget is important when buying a filter, but low-price options often don't last long. The 20x40x4 filter is a high-quality choice that helps improve air quality and saves you money over time.

Maintenance Of 20x40x4 Air Filter

Maintaining the 20x40x4 air filter is essential for your HVAC system. Be sure to check the filter each month and replace it every 3 to 6 months. This keeps the filter working well to trap dirt and helps the HVAC system maintain the right indoor temperature more effectively.

Precautions

It’s important to take some steps before buying a 20x40x4 air filter to make sure it fits and works well with your HVAC system.

Lifespan: The lifespan of an air filter is a crucial factor to keep in mind. Filters that last longer provide the convenience of not needing to purchase replacements often. A filter's lifespan depends on its usage and the quality of air in your home.

Size Of Filter: A filter’s size should be supported by the HVAC unit so it can fit in the system properly without leaving any gaps in the filter slot because a properly fitting filter works efficiently and improves the air inside your home.

Durable: When choosing an air filter, consider its durability. Filters made from high-quality materials tend to last longer and work better at cleaning the air. A durable filter can effectively get rid of many airborne pollutants and allergens.

Get Better Air Quality In Your Home With The 20x40x4 Air Filter From Custom Filters Direct

An HVAC system keeps your home comfortable by managing the air temperature and filtering out impurities. The 20x40x4 air filter plays a key role in this system. By regularly maintaining your filter, particularly one with a high MERV rating, you can enhance the air quality indoors. Therefore, investing in a good-quality air filter for your HVAC system is a smart choice.