★★★★★
Works wonderful
Lori Rea—February 23, 2026✓ Verified purchase
Air filter is an air filter. My reason for buying them on Amazon as they are so much more reasonably priced than in the big box stores. Read more
Filterbuy 20x20x1 Air Filter MERV 8 Essential Dust Allergy Defense 4-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement
$29.96
About this item
- UNIVERSAL COMPATIBILITY: 20x20x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 19.50" x 19.50" x 0.75")
- MERV 8 PERFORMANCE: Protect your home or business from pollen, lint, mold, and more with MERV 8 synthetic media (comparable with MPR 700 & FPR 5) that captures 90% of dust without restricting air flow
- LONG-LASTING FILTRATION: Electrostatically charged media with 14 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for optimal performance)
- SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures
- MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes
$29.96
In Stock
Delivery — Monday 13 Apr – 17 Apr · Order within 11h 29m
Easy Returns · 30-day window
This order is a gift
In Stock
Secure
Checkout
Free
Returns
30-Day
Guarantee
Secure checkoutAll transactions are SSL-encrypted. Your payment info is never stored.
Free returnsReturn or replace within 30 days
Fast deliveryOrders ship within 1 business day and arrive in 4–8 days.
Buyer protectionIf your order arrives damaged or doesn't show up, we'll make it right.
24/7 supportOur team is here to help. Reach us anytime by email or chat.
Ships fromOur Warehouse
Sold byFilterbuy
Returns
Easy Returns30-day return window
PaymentsSecure transaction
Product details
| Brand | Filterbuy |
|---|---|
| Material | Aluminum, Plastic, Polypropylene |
| Product Dimensions | 19.5"L x 19.5"W x 0.75"Th |
| MERV Rating | 8 |
| Compatible Devices | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump |
| Item Weight | 1.8 Pounds |
| Global Trade Identification Number | 00717267051675 |
| Max Temperature | 200 Degrees Fahrenheit |
| UPC | 717267051675 |
| Air Filter Construction | Pleated |
Technical specifications
| brand_name | Filterbuy |
|---|---|
| model_info | AFB20x20x1M8pk4 |
| item_weight | 1.8 pounds |
| product_dimensions | 19.5 x 19.5 x 0.75 inches |
| item_model_number | AFB20x20x1M8pk4 |
| is_discontinued_by_manufacturer | No |
| part_number | AFB20x20x1M8pk4 |
| special_features | Dust Collection, Easy to Install, Removable |
| color | Silver |
| compatible_device | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump |
| material_type | Aluminum, Plastic, Polypropylene |
| included_components | Air Filters |
| batteries_included | No |
| batteries_required | No |
| best_sellers_rank | #4 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Furnace Filters |
| date_first_available | April 27, 2013 |
From the brand
Product videos
Product video 1
Customer reviews
4.7155,795 ratings
Customers say
Customers find these air filters well-made, effective at filtering air, and easy to install and remove.
★★★★★
Good Experience
David L. Kueter—February 20, 2026✓ Verified purchase
These filters work great and price is very reasonable. Read more
★★★★★
Great buy!
Mtb—February 24, 2026✓ Verified purchase
HAZAH!!!! First of all, love the large shipping box so my filters were undamaged, I popped one in immediately and there were no issues other than my heading to the hardware store to laugh at the chumps paying for overpriced filters. And after seeing how quickly they arrived and their quality, I am more than comfortable buying a years worth from this company and replacing filters monthly. Read more
★★★★☆
Great for Country Dust & Pet Hair 🐾🌾
Simply Sara Sue—February 18, 2026✓ Verified purchase
The Filterbuy 14x24x1 Air Filter MERV 8 Essential Dust & Allergy filters have been a solid choice for our home. We deal with plenty of dust and pet hair, and these do a great job catching it. You can really see what they’ve pulled from the air when it’s time to change them. That alone tells me they’re doing their job. They fit perfectly, are easy to install, and the airflow hasn’t been restricted at all. It’s a good balance between filtration and performance. If you have pets or just live where dust likes to settle everywhere, these are a dependable option at a great value. Read more
★★★★★
Dirty air in clean air out.
John M Hussey—February 21, 2026✓ Verified purchase
Appear to be of high-quality materials. Examined each filter found no flaws . Fit into ductwork properly. Would definitely recommend at this time. Read more
★★★★★
Filters were the perfect right size.
Shawn McKinley—February 24, 2026✓ Verified purchase
These filters were perfect. They worked very great, and they was the right size. Very sturdy, nice filters. Read more
★★★★★
What a filter
Deborah L—February 25, 2026✓ Verified purchase
I’ve ordered these filters several times. What I like best about them versus the same size that I can get in the store locally is that I can get these in and out out of my furnace quickly. These are quite expensive because 4 inches wide. They’re not your typical furnace filter but because I have a dual furnace, this is what my furnace uses. I will continue to purchase these and I would also recommend them. Read more
★★★★★
Fit
Gainesboro customer—March 1, 2026✓ Verified purchase
Fit perfectly and do the job well. Read more
Recently Viewed