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20x36x1 Aerostar Air Filter at factorydirectfilters.com

20x36x1 Aerostar Air Filter

$174.99 $280.35 -37%

at factorydirectfilters.com

Last checked 7 hours ago

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At 19 3/4" x 35 3/4" x 3/4" actual, the 20x36x1 Aerostar fits a nominal 20x36x1 return. Long-rectangle returns in this size show up on larger residential air handlers and some commercial applications. Three MERV grades cover the standard residential range. MERV 8 for baseline household dust and pollen filtration - the standard choice without pets or specific allergy concerns. MERV 11 for pet households, smoke residue, and most common allergens. MERV 13 for fine particulate capture including bacteria, virus carriers, and wildfire smoke - recommended for households with respiratory health issues. Pleated synthetic electrostatic media construction. The pleats give you substantially more surface area than a flat fiberglass filter at the same nominal size, which is why this filter outlasts cheaper alternatives even at higher MERV grades. The electrostatic charge built into the fibers improves...

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