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Actual Size: 13x20x2"

3 month filters
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Made in the USA
Ships in 24 hours
Available In MERV Rating: 8, 11, 13
Made in the USA
Ships in 24 hours
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MERV 8 | MERV 11 | MERV 13 | |
|---|---|---|---|
| Best for | Standard Residential/Commercial Healthy Families | Superior Residential/Commercial Allergy Sufferers | Optimal Residential/Commercial Hospital Grade |
| Comparable ratings | MPR 600 & FPR 5 | MPR 1000-1200 & FPR 7 | MPR 1500 - 1900 & FPR 10 |
| Filtration | Captures 90% of Airborne Particles | Captures 95% of Airborne Particles | Captures 98% of Airborne Particles |
| Dust, lint & debris | |||
| Mold, pollen | |||
| Dander, dust mites | |||
| Smoke & Smog | |||
| Bacteria | |||
| Odor, vocs |
Generally, we recommend you replace your air filters every 90 days. Find out below if you should change your filters more often.

Change your filter every
6 weeks
to ensure indoor air quality is at its best.

Change your filter every
2 months
to avoid shedding and odor buildup.

Change your filter every
2-3 months
as having clean air is even more important with children in your home.

Change your filter every
6 weeks
to ensure indoor air quality is at its best.

Change your filter every
2 months
to avoid shedding and odor buildup.

Change your filter every
2-3 months
as having clean air is even more important with children in your home.
Many people are unaware of how much their symptoms are impacted by the quality of their home's air. From what we’ve experienced, using a specific 13x20x2 pleated air filter made for allergy relief, really made a difference. It can capture even the smallest particles, such as dust and pet hair. That’s why it differs from the standard 13x20x2 fiberglass air filter.
This simple air filter upgrade might be just what you need for cleaner air if you're sick of allergies at home.
Filterbuy 13x20x2 allergen air filter reduces allergens by 90%.
The best way to improve indoor air and reduce allergy symptoms is to switch to a better filter.
Every 1 to 3 months, the filter must be changed for best results.
The right filter size really matters.
The main purpose of air filters is to significantly reduce indoor allergens. It captures the unseen like pollen, pet dander and mold spores which make it harder for people with allergies or asthma to breathe. With a good filter there is less sneezing and congestion. Without proper filtration, however, these irritants simply stay in the air and cause additional trouble.
A dirty filter stops air from flowing. This raises your energy bills or even causes damage over time. When your filter is clean, your system can operate as intended and prevent the gathering of allergens in the air.
Using a good filter is not just about allergy relief. It also keeps the air in your home clean and your system in good condition.

It's important to choose the right filter. Dust and allergens bypass the filter if it’s too small. Letting dust circulate in your home. This causes your HVAC to work improperly. Leading to increased energy bills and a shortened lifespan. Due to dust buildup on internal components.
If a filter is too large, it can also damage the entire system. Therefore, choosing the correct size helps your HVAC work better. And keeps your home healthier.
MERV rating indicates how a filter is effective in trapping particles. The higher the rating the more fine particles it captures.The following ensures you choose the right MERV for your specific needs.
Choose Filterbuy 13x20x2 air filter MERV 8 when dust is your primary concern.
Choose Filterbuy 13x20x2 air filter MERV 11 when you’re sensitive to pollen and dander.
Choose Filterbuy 13x20x2 air filter MERV 13 when smog, smoke and bacteria are top concerns.
It’s important to know and follow the filter replacement schedule. This maintains your filter's effectiveness. Cheap filters don't last long. And often fail to trap much dust or allergens. Consider Filterbuy 2-inch filters for better performance and longevity. Replace them every 1 to 3 months. Change them more often if you have pets or allergies.
Below are data that back up the effectiveness of quality air filters:
1. AC and Allergen Reduction
Air conditioned rooms show a 98% reduction in airborne allergens.
This means fewer dust and other irritants in the air.
The combination of air conditioning and the right filter is key to allergy management.
Source: pubmed.ncbi.nlm.nih.gov
2. Impact on Allergic Rhinitis
The best air filters reduce allergens by 43% to 73%.
This leads to relief from symptoms. Like sneezing and congestion.
Source: onlinelibrary.wiley.com
Manufactured in the USA, Filterbuy 13x20x2 air filter for allergies sets high standards for quality and performance. Using advanced manufacturing processes, these products guarantee durability and efficiency.
Each filter incorporates 100% American components. Demonstrating a commitment to exceptional quality assurance. We use a special synthetic electrostatic media. This advanced material is significantly more efficient at capturing particles compared to basic cotton media used in other filters. Durable frames withstand humidity and heat up to 200°F. The material is more effective than cotton trapping more allergens and pollutants.
Following strict rules, Filterbuy ensures the delivery of a product designed for peak indoor air quality, a reliable choice for homes.
MERV 13 filters should be changed every 60 to 90 days. But homes with pets, allergies or high dust levels may need replacements every 30 to 60 days.
It should be changed every 30 to 90 days, depending on air quality, pet presence and HVAC usage.
The numbers represent the filter’s dimensions length × width × thickness and MERV rating which indicates filtration efficiency.
Choose the correct size
Turn off the power supply
Remove the old air filter
Dispose the old product
Insert best 13x20x2 air filter from Filterbuy
Replace the cover
Buy 13x20x2 air filter in bulk
Yes. But local stock can be limited. Filterbuy.com lets you skip the trip and get fresh filters delivered fast.
Filterbuy.com is your most reliable source. They specialize in a wide variety of air filter sizes, including 13x20x2 electrostatic air filter, and offer direct shipping.
Using a cheap 13x20x2 air filter might save you a little money upfront. But it's not recommended for optimal indoor air quality, HVAC efficiency or system longevity. Investing in a quality pleated air filter with an appropriate MERV rating is a wiser long term decision for your health and your wallet.
Yes. A carbon air filter is the same as a charcoal air filter.