Filterbuy 20x20x4 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 19.50 x 3.63)

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filterbuy 20x20x4 air filter merv 11 superior pet amp allergy defense 6-pack electrostatic pleated hvac ac furnace filters replacement made in usa actual size 1950 x 1950 x 363

$ 99.96

Last price was updated on: 12th Dec 2025, 12:38 PM

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Current Price $99.96

$89.96

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$113.78

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Price History Benchmarks

Lowest Ever

$89.96

24th Aug 2025

Highest Ever

$113.78

25th Jun 2024

Average Price

$100.57

30 data points

Last 3M Low

$89.96

28th Sep 2025

Last 6M Low

$89.96

24th Aug 2025

Last 12M Low

$89.96

24th Aug 2025

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Product Variants

Image of Filterbuy 16x25x1 Air Filter MERV 11 Superior Pet & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 0.75)

$44.94

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Product Technical Information

Product Code	B00CK046US
Market Place	amazon.com
Market Place Name	Amazon.com
Brand Name	Filterbuy
Rating	4.6 ( 10447 ratings )
Category	Furnace Filters
Model Number	AFB20x20x4M11pk6
Item Color	Gold
Item Dimensions	19.38 x 19.38 x 3.63 inches

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for Filterbuy 20x20x4 Air Filter MERV 11 Superior Pet amp Allergy Defense 6-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1950 x 1950 x 363 was $89.96 on 24th Aug 2025. This is the best recorded deal so far.
What is the highest price ever for this product? ▶

The highest price for Filterbuy 20x20x4 Air Filter MERV 11 Superior Pet amp Allergy Defense 6-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1950 x 1950 x 363 was $113.78 on 25th Jun 2024. Prices have dropped since then.
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The average price for Filterbuy 20x20x4 Air Filter MERV 11 Superior Pet amp Allergy Defense 6-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1950 x 1950 x 363 is $100.57 (30 data points). This helps you compare current deals.
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In the last 3 months, Filterbuy 20x20x4 Air Filter MERV 11 Superior Pet amp Allergy Defense 6-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1950 x 1950 x 363 reached a low of $89.96 on 28th Sep 2025. Recent price trends may help you decide when to buy.
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Worth buying. The price is good, but you may wait for a better deal. 44% chance price goes up. Price may increase soon.