Best 16.5 X 21.5 X1 Air Filter in 2022 [*Top Picks*]

6558 Reviews Scanned

• Bestseller #1

  Filterbuy 16.5x21x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters (2-Pack, Silver) (13462)

  16.5x21x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 16.5 x 21 x 1 inches) MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs All components are manufactured within the United States and designed with recyclable materials

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• Bestseller #1

  Aerostar 16 1/2x21 1/2x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6-Pack (Actual Size: 16 1/2" x 21 1/2" x 3/4") (386)

  Nominal size: 16 1/2x21 1/2x1; Actual size: 16 1/2"x21 1/2"x3/4"; This MERV 13 filter is comparable with MPR 1500-1900 & FPR 10. Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, smoke, viruses, and bacteria Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months 100% synthetic electrostatic media for high efficiency with low air flow resistance Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive

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• Bestseller #1

  Aerostar 16 3/8 x 21 1/2 x 1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 16 3/8"x21 1/2"x3/4") (386)

  Nominal size: 16 3/8x21 1/2x1; Actual size: 16 3/8"x21 1/2"x3/4"; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7 Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months 100% synthetic electrostatic media for high efficiency with low air flow resistance Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive

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• Bestseller #1

  Aerostar 16 3/8 x 21 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 16 3/8"x21 1/2"x3/4") (386)

  Nominal size: 16 3/8x21 1/2x1; Actual size: 16 3/8"x21 1/2"x3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5. Designed to filter microscopic particles such as lint, dust mites, spores, and pollen Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months 100% synthetic electrostatic media for high efficiency with low air flow resistance Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive

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