Filterbuy 18x18x1 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 17.75 x 17.75 x 0.75)

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filterbuy 18x18x1 air filter merv 11 superior pet amp allergy defense 2-pack electrostatic pleated hvac ac furnace filters replacement made in usa actual size 1775 x 1775 x 075

$ 31.74

Last price was updated on: 12th Dec 2025, 12:35 PM

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Current Price $31.74

$20.88

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$31.74

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Price History Benchmarks

Lowest Ever

$20.88

8th Oct 2019

Highest Ever

$31.74

28th Mar 2025

Average Price

$29.29

25 data points

Last 3M Low

$31.74

19th Nov 2025

Last 6M Low

$31.74

19th Nov 2025

Last 12M Low

$27.59

5th May 2025

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Product Variants

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Product Technical Information

Product Code	B00CK02FRY
Market Place	amazon.com
Market Place Name	Amazon.com
Brand Name	Filterbuy
Rating	4.5 ( 19879 ratings )
Category	Furnace Filters
Model Number	AFB18x18x1M11pk2
Item Color	Gold
Item Dimensions	17.5 x 17.5 x 0.75 inches

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for Filterbuy 18x18x1 Air Filter MERV 11 Superior Pet amp Allergy Defense 2-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1775 x 1775 x 075 was $20.88 on 8th Oct 2019. This is the best recorded deal so far.
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The highest price for Filterbuy 18x18x1 Air Filter MERV 11 Superior Pet amp Allergy Defense 2-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1775 x 1775 x 075 was $31.74 on 28th Mar 2025. Prices have dropped since then.
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In the last 3 months, Filterbuy 18x18x1 Air Filter MERV 11 Superior Pet amp Allergy Defense 2-Pack Electrostatic Pleated HVAC AC Furnace Filters Replacement Made in USA Actual Size 1775 x 1775 x 075 reached a low of $31.74 on 19th Nov 2025. Recent price trends may help you decide when to buy.
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