Filterbuy 20x21x1 Air Filter MERV 13 Optimal Smoke & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 20.50 x 0.75)

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filterbuy 20x21x1 air filter merv 13 optimal smoke amp allergy defense 6-pack electrostatic pleated hvac ac furnace filters replacement made in usa actual size 1950 x 2050 x 075

$ 124.68

Last price was updated on: 12th Dec 2025, 12:36 PM

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Current Price $124.68

$112.21

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$131.52

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Price History Benchmarks

Lowest Ever

$112.21

27th Oct 2025

Highest Ever

$131.52

29th Jun 2024

Average Price

$123.96

23 data points

Last 3M Low

$112.21

27th Oct 2025

Last 6M Low

$112.21

27th Oct 2025

Last 12M Low

$112.21

27th Oct 2025

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Product Variants

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Product Technical Information

Product Code	B0958P3BBM
Market Place	amazon.com
Market Place Name	Amazon.com
Brand Name	Filterbuy
Rating	4.6 ( 8533 ratings )
Category	Furnace Filters
Model Number	AFB20x21x1M13Apk6
Item Color	Blue
Item Dimensions	20 x 21 x 1 inches

Frequently Asked Questions

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The lowest price for Filterbuy 20x21x1 Air Filter MERV 13 Optimal Smoke amp Allergy Defense 6-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1950 x 2050 x 075 was $112.21 on 27th Oct 2025. This is the best recorded deal so far.
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The highest price for Filterbuy 20x21x1 Air Filter MERV 13 Optimal Smoke amp Allergy Defense 6-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1950 x 2050 x 075 was $131.52 on 29th Jun 2024. Prices have dropped since then.
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In the last 3 months, Filterbuy 20x21x1 Air Filter MERV 13 Optimal Smoke amp Allergy Defense 6-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1950 x 2050 x 075 reached a low of $112.21 on 27th Oct 2025. Recent price trends may help you decide when to buy.
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