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🌬️ Breathe smarter, live better — filter like a pro!
Filterbuy’s 20x20x1 MERV 8 air filters deliver superior dust and allergen defense with 90% particle capture using electrostatically charged pleated media. Designed for universal HVAC compatibility, these durable, recyclable filters last three times longer than standard fiberglass models. Proudly made in the USA, they combine industrial-grade materials and a reinforced frame to ensure lasting performance and healthier indoor air quality.
| ASIN | B00CJZ8LAK |
| Air Filter Construction | Pleated |
| Best Sellers Rank | #4 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Furnace Filters |
| Brand | Filterbuy |
| Brand Name | Filterbuy |
| Common Applications | Allergen Reduction, High Strength |
| Compatible Devices | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump |
| Compatible Hvac Systems | Commercial, Industrial, Residential |
| Customer Reviews | 4.7 out of 5 stars 16,286 Reviews |
| Filter Airflow Direction | Variable |
| Filter Mounting Type | Slide In |
| Filter Shape | Square |
| Global Trade Identification Number | 00717267051675 |
| Included Components | Air Filters |
| Item Dimensions L x W x Thickness | 19.5"L x 19.5"W x 0.75"Th |
| Item Type Name | Air Filter |
| Item Weight | 1.8 pounds |
| MERV Rating | 8 |
| Manufacturer | Filterbuy |
| Manufacturer Part Number | AFB20x20x1M8pk4 |
| Material | Aluminum, Plastic, Polypropylene |
| Material Type | Aluminum, Plastic, Polypropylene |
| Max Temperature | 200 °F |
| Max Velocity | 615 cfm |
| Model Number | AFB20x20x1M8pk4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 19.5"L x 19.5"W x 0.75"Th |
| Product Grade | Replacement Parts |
| UPC | 717267051675 |
| Unit Count | 4 Count |
| Warranty Description | Defective items and products that were shipped incorrectly are subject to a refund or replacement on a case by case basis. Please contact our customer support team for more information if you experience any issues. |
S**S
Great filter & quality
Recommended by my hvac tech. Simple filter merv 8 is all that is needed. I replace them once every two to three months. They work great and I’ll continue to purchase these.
L**E
Great replacement filters.
Fits well and seems well made. I’m using them to replace Filtrete brand. Much more affordable.
M**K
Quality and price
Great as a Merv 8, it is a good choice. Fast delivery and good price.
G**D
Great value
Exactly as described, after a couple mos… still looking strong. I like these filters, at this price. Quality built, but not too expensive
R**N
Quality air
I thought other peoples reviews were exaggerated or fake but nope I installed my filter and immediately I smelt the crisp quality clean airflow Very different from our old basic filter put by management. Very light weight filter, my nephew is not congested anymore allergic relief since we moved he sleeps better now, easy to install and more sturdy than the old one yet good flexibility I used one hand whilst the other held the cover up. I’m happy with it should have bought sooner.
L**N
Great Product
these are great quality, sealed well , great value and wonderful for odor control. Allergies are less with this brand,
R**G
Excellent
Excellent quality and good price. What else is there?
I**A
Good price and quality
Good filters for decent money
A**N
Great quality
Decent quality good price
M**T
Vraiment très satisfaite! Le demi pouce en moins facilite l’insertion!
5 étoiles parce qu’il est facile à entrer dans l’espace… du fait qu’il est un tout petit peu plus petit que 20 pouces (un demi pouce de moins) Habituellement il faut presque se battre avec les filtres pour les faire entrer. Aussi cette fois j’ai pris des filtres M8 au lieu des M3 ou M5. Un peu de recherche explique bien ce que chacun filtre le plus (climatiseur)
A**R
It's an adequate furnace filter
Got a box of 4, one was defective. Reached out to seller and they will be sending a replacement. They have a good mesh on the filter material and good cardboard support. Haven't trialed one yet so we will see how filter material performs. Would like to see more pleats for better airflow and greater longevity. Its not a high Merv filter so it will work in my blower.
S**D
Furnace filters
As described. Quick shipping.
S**R
Filters
Exactly what I needed.
Trustpilot
2 weeks ago
2 weeks ago