• 3M Filtrete 18x18x1 Air Filter MERV 5 6-Pack
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3M Filtrete 18x18x1 Air Filter MERV 5 6-Pack

3M Filtrete 18x18x1 Air Filter MERV 5 6-Pack

$47.20 USD
$47.20 USD
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SKU: 3174x6
UPC: 638060263389

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Ranked: #2 in Furnace Filters

Last Updated: September 10, 2026

The 3M Filtrete 18x18x1 Air Filter MERV 5, in a 6-pack, offers reliable home HVAC and furnace filtration. Designed to capture dust, lint, and airborne contaminants, these MPR 300 filters help maintain cleaner indoor air. Suitable for residential furnaces and air conditioning systems, they are ideal for routine household use. The 18x18x1 size fits standard HVAC units for efficient, hassle-free replacement.
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