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Air Filters Delivered

4.5 (123)

18x20x1 Aerostar Air Filter

Name: Air Filters Delivered 18x20x1 Aerostar Air Filter - 18x20x1 Aerostar Air Filter
Brand: Air Filters Delivered
SKU: 41902645608602
Price: 58.97 USD
Availability: InStock
Rating: 4.5556 (16 reviews)

4.5 (1,234)

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The Aerostar 18x20x1 pleated air filter delivers clean air by replacing your air system’s vent intake filter. Designed to work with most home and office AC and furnace systems with compatible intake vent sizes, filtering out dust, pollen, b...

Reviews

4.6

27 ratings

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Take advantage of buying 6 or 12 filters and save $

Charles · November 14, 2025

It's a filter that i had no trouble installing.

Gayle · October 2, 2025

It fits!

This is the undersized item -- just a tad smaller in every dimension than stated, which is exactly what I wanted & needed. The exact-sized 18 x 20 x 1 that I picked up at the local home center was too dang big. BTW, quick delivery, which I appreciate.

David · July 20, 2025