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Factory Direct Filters

4.5 (123)

18x18x1 Aerostar Air Filter

Name: Factory Direct Filters 18x18x1 Aerostar Air Filter - 18x18x1 Aerostar Air Filter
Brand: Factory Direct Filters
SKU: 50754338980086
Price: 38.99 USD
Availability: InStock
Rating: 4.2 (8 reviews)

4.5 (1,234)

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Color

Black

Quantity

An 18x18 nominal return takes a filter that measures 17 1/2" x 17 1/2" x 3/4" actual, and this Aerostar fits that spec. Square 18x18 returns are common in compact residential setups and some smaller air handlers. MERV 8 covers baseline hous...