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PerfectFit™ 90-day Air Filters - Standard Sizes

    • Internal Frame eliminates cardboard and prevents bionesting
    • Made with anti-microbial material approved by NORMI (National Organization of Remediators and Mold Inspectors)
    • Meetsm rigorous standards set by ASHRAE (American Society of Heating, Refridgeration and Air Conditioning Engineers)
    • Fits perfect every time
    • No gaps
    • No blow-by
    • Ultra quiet