Actual Size: 20.00x27.00x1.75"
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.
If there’s one upgrade that consistently delivers better air quality, lower energy costs, and longer HVAC lifespan, it’s switching to the right filter. We’ve seen firsthand how Filterbuy air conditioner filters 20x27x2 transform indoor comfort. Customers often tell us they notice the difference within days: less dust, easier breathing, and even quieter HVAC performance. If you want a filter that works as hard as your system does, this is where to start.
20x27x2 Air Filter
A 20x27x2 air filter measures 20 inches by 27 inches by 2 inches and fits HVAC return vents or air handler slots built for that exact opening. This is a non-standard size, so most retail shelves skip it. Filterbuy manufactures the 20x27x2 to order at its U.S. facility, with MERV 8, MERV 11, and MERV 13 options depending on how much filtration the household needs.
Actual dimensions run slightly under nominal (about 19.5" x 26.5" x 1.75") so the filter seats snugly without binding in the frame
The 2-inch depth holds more pleated media than a 1-inch filter, which extends service life and reduces airflow resistance on the blower
Replace every 60 to 90 days under normal conditions, or every 30 to 45 days in homes with pets, smokers, or allergy sufferers
Confirm the size by pulling the existing filter and reading the printed dimensions stamped on the cardboard frame edge
Reduces allergens in days.
Less HVAC energy use by up to 15%.
Durable pleats and strong frames for real-life performance.
Replace every 60–90 days for best results.
Filter quality matter when improving your indoor air and protecting your HVAC. Filterbuy 20x27x2 pleated air filters are custom-made to deliver maximum airflow, superior dust capture and lasting durability. All without making your HVAC work harder.
Each filter is made with high-efficiency MERV-rated pleats that trap common pollutants. Our customers see noticeable improvements in air within the first few days of switching. With a sturdy frame, you can count on consistent protection every season.
Filterbuy air filter 20x27x2 is a small change that delivers big results. Tested, trusted and made in the USA for homes like yours.
Using a quality air filter makes a real difference. Filters like Filterbuy 20x27x2 are made to improve air quality, protect your HVAC and support better health and comfort.
Traps dust, pet dander and other allergens
Reduces asthma symptoms
Improves indoor air quality
Maintains strong airflow for better efficiency
Reduces stress on your HVAC. Helps it last longer
Supports lower energy use and costs
Gives a perfect fit to prevent air leaks
Lasts longer than low-quality filters
Real results. Trusted research. Here's why smart homeowners upgrade to Filterbuy 20x27x2 air filter for allergies:
Indoor air is 2 to 5 times more polluted
Traps allergens, pet dander and dust.
Customers report cleaner air and less sneezing within days.
Source: EPA
Dirty filters can raise energy use by 5%–15%
Clogged filters make HVACs work harder.
Filterbuy design keeps airflow strong and efficient.
Source: Energy.gov
Poor indoor air quality causes chronic illness
WHO reports millions of premature deaths due to air pollution.
Filter upgrades are a simple way to reduce long term exposure.
Customers notice fewer respiratory symptoms after filter changes.
Source: WHO
Changing your air filter on time helps keep your air clean and your HVAC well. Over time filters collect different particles. A dirty filter blocks airflow. It forces your HVAC to work harder.
Most homes should replace filters every 60 to 90 days. If you have pets or allergies change the filter more often. It’s to maintain better air quality.
Regular replacement improves airflow and helps your HVAC live longer. It’s simple but makes a big difference in comfort and health.
Free, Super Fast Shipping — Sometimes next-day.
Buy packs, get up to 70% off each filter.
These filters actually last for 90 days — way longer than cheap fiberglass versions.
Made right here in the USA with super high quality materials.
Auto Delivery option —save another 5% and you'll never forget to replace your filters again.
Super Easy, Super Affordable.
A 20x27x2 air filter is designed to trap dust, pollen, pet dander and other airborne particles in your HVAC unit. It improves indoor air quality and helps your HVAC run more efficiently.
It’s best to replace it every 90 days. If you have pets, allergies or live in a high dust area, consider changing it every 30 to 60 days for optimal performance.
MERV 8: Great for basic dust and debris
MERV 11: Ideal for homes with pets or mild allergies
MERV 13: Best for high filtration needs like asthma or smoke
Not all systems use this size. Measure your current filter or check your HVAC unit’s manual to confirm compatibility. Filterbuy also offers custom sizes if you need a perfect fit.
Yes! A clean, high-efficiency filter like Filterbuy air filter 20x27x2 can reduce HVAC strain and cut energy use by up to 15%, according to the US Department of Energy.
Choose the correct size
Turn off the power supply
Remove the old air filter
Dispose the old product
Replace the cover
Buy in bulk
Buy directly from trusted online suppliers. Filterbuy.com is a great source. This saves you time. You do not have to search many stores.
Filterbuy.com is your most reliable source. They specialize in a wide variety of air filter sizes, including the best 20x27x2 air filter for allergies and offer direct shipping.
Order your custom-made 20x27x2 filter at Filterbuy.com for free, fast shipping straight from the U.S. manufacturing facility. Choose Auto Delivery at checkout to save an extra 5% and keep fresh filters arriving at the door every 60 to 90 days.
