Top 10 16.5 x 21.5 X1 Air Filter – Furnace Filters

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1. Aerostar

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

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Aerostar #ad - 100% synthetic electrostatic media for high efficiency with low air flow resistance. Designed to filter microscopic particles such as lint, dust mites, spores, and pollen.

Manufactured in the usa by filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. Nominal size: 16 1/2x21 1/2x1; actual size: 16 1/2"x21 1/2"x3/4"; this mERV 8 filter is comparable with MPR 600 & FPR 5. Simple to install and a cost-effective step towards a healthier home environment.
BrandAerostar #ad
ManufacturerFiltration Group (Environmental Air) #ad
Height0.75 Inches
Length16.5 Inches
Width21.5 Inches
Part Number16 1/2x21 1/2x1 MERV 8
Model16 1/2x21 1/2x1 MERV 8

2. Aerostar

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AC Furnace Air Filter, 6 Pack Actual Size: 16 1/2"x21 1/2"x3/4", Aerostar 16 1/2 x 21 1/2 x 1 MERV 11 Pleated Air Filter

#ad
Aerostar #ad - For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. Simple to install and a cost-effective step towards a healthier home environment.

Manufactured in the usa by filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive. Designed to filter microscopic particles such as lint, pollen, fine dust, pet dander, spores, dust mites, and smoke. Nominal size: 16 1/2x21 1/2x1; actual size: 16 1/2"x21 1/2"x3/4"; this merv 11 filter is comparable with MPR 1000-1200 & FPR 7. 100% synthetic electrostatic media for high efficiency with low air flow resistance.
BrandAerostar #ad
ManufacturerFiltration Group (Environmental Air) #ad
Height0.75 Inches
Length16.5 Inches
Width21.5 Inches
Part Number16 1/2x21 1/2x1 MERV 11
Model16 1/2x21 1/2x1 MERV 11

3. Accumulair

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Accumulair Gold 16.5x21x1 Actual Size MERV 8 Air Filter/Furnace Filter 2 Pack

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Accumulair #ad - Pleated electrostatic media provides a high filtration efficiency without comprising your system's airflow. Captures up to 76% of common airborne particles such as dust, standing dust, small fibers, lint, cement dust, dust mite debris, and other airborne contaminants.16. 5x21x1 actual size merv 8 – tested and rated according to ASHRAE Standard 52. 2. Typically ideal for residential homes, small commercial businesses, and workplaces desiring to reduce common airborne containments. Enhances indoor air quality for up to 3 months.
BrandAccumulair #ad
ManufacturerAccumulair #ad
Height0.75 Inches
Length16.5 Inches
Weight1 Pounds
Width21 Inches
Part NumberFB16.5X21A_2
ModelFB16.5X21A_2

4. Accumulair

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Accumulair Platinum 16.5x21x1 Actual Size MERV 11 Air Filter/Furnace Filters 6 pack

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Accumulair #ad - Typically ideal for homes with pets, restaurants, superior residential buildings, superior commercial buildings, and workplaces. Enhance air quality for up to 3 months. Tribo-electric synthetic media provides high filtration efficiency, low air resistance, and is hydrophobic does not absorb moisture. Captures up to 94% or more of airborne contaminants such as dust, lint, cement dust, lead dust, dust mite debris, standing dust, small fibers, pet dander, and other airborne contaminants.16. 5x21x1 actual size merv 11 - tested and rated according to ASHRAE Standard 52. 2.
BrandAccumulair #ad
ManufacturerAccumulair® #ad
Height0.75 Inches
Length16.5 Inches
Weight1 Pounds
Width21 Inches
Part Number886566135970
Model886566135970

5. Aerostar

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AC Furnace Air Filter, 6 Pack Actual Size: 16 3/8"x21 1/2"x3/4", Aerostar 16 3/8 x 21 1/2 x 1 MERV 13 Pleated Air Filter

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Aerostar #ad - Manufactured in the usa by filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive.

Simple to install and a cost-effective step towards a healthier home environment. Nominal size: 16 3/8x21 1/2x1; actual size: 16 3/8"x21 1/2"x3/4"; this merv 13 filter is comparable with MPR 1500-1900 & FPR 10 For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. Designed to filter microscopic particles such as lint, fine dust, dust mites, pollen, viruses, spores, smoke, pet dander, and bacteria.100% synthetic electrostatic media for high efficiency with low air flow resistance.
BrandAerostar #ad
ManufacturerFiltration Group (Environmental Air) #ad
Height0.75 Inches
Length16.38 Inches
Width21.5 Inches
Part NumberP25S.0116F21H-6
Model16 3/8x21 1/2x1 MERV 13

6. Aerostar

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

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Aerostar #ad - Designed to filter microscopic particles such as lint, spores, dust mites, pet dander, pollen, fine dust, and smoke. 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.

For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. Simple to install and a cost-effective step towards a healthier home environment. Manufactured in the usa by filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive. 100% synthetic electrostatic media for high efficiency with low air flow resistance.
BrandAerostar #ad
ManufacturerFiltration Group #ad
Height0.75 Inches
Length16.38 Inches
Width21.5 Inches
Part Number16 3/8x21 1/2x1 MERV 11
Model16 3/8x21 1/2x1 MERV 11

7. Aerostar

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

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Aerostar #ad - For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. Comparable to mpr 1500 to 1900 ultimate Allergen Defense and Honeywell Allergen Elite FPR 10 Designed to filter microscopic particles such as lint, smoke, spores, fine dust, dust mites, pet dander, pollen, and bacteria. Nominal size: 16 1/2x21 1/2x1; actual size: 16 1/2" x 21 1/2" x 3/4". 100% synthetic electrostatic media for high efficiency with low air flow resistance. Simple to install and a cost-effective step towards a healthier home environment.
BrandAerostar #ad
ManufacturerFiltration Group #ad
Height1 Inches
Length16.5 Inches
Width21.5 Inches
Part Number16 1/2x21 1/2x1 MERV 13

8. AIRCARE

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16-3/8 x 21-1/2 x 1 Electrostatic Washable Permanent A/C Furnace Air Filter 16-3/8x21-1/2x1

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AIRCARE #ad - Replaces disposable furnace filters. Self-charging electrostatic filter media - does not require electricity. Traps 95% of airborne dust and allergens. Permanent & washable - Just hose off and reinstall. Lifetime warranty.
BrandAIRCARE #ad
Part NumberAC163821121
ModelAC163821121

9. Eco-Aire

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16 1/2 x 21 1/2 x 1 MERV 8 Pleated Air Filter, Box of 6

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Eco-Aire #ad - Designed to last up to 60 Days. Made in the USA. Nominal: 16 1/2x21 1/2x1 or 16 1/2 x 21 1/2 x 1, size: 16 1/2"x21 1/2"x3/4", AC Furnace Air Filter. Ships direct, Factory Sealed. Comparable to Brand Filters.
BrandEco-Aire #ad
ManufacturerFiltration Group #ad
Height1 Inches
Length16.5 Inches
Width21.5 Inches
Part Number16 1/2x21 1/2x1 MERV 8

10. Eco-Aire

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Box of 6, 16 1/2 x 21 5/8 x 1 MERV 8 Pleated Air Filter

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Eco-Aire #ad - Nominal: 16 1/2x21 5/8x1 or 16 1/2 x 21 5/8 x 1, size: 16 1/2"x21 5/8"x3/4", AC Furnace Air Filter. Comparable to Brand Filters. Ships direct, Factory Sealed. Made in the USA. Designed to last up to 60 Days.
BrandEco-Aire #ad
ManufacturerFiltration Group #ad
Height1 Inches
Length16 Inches
Width21.63 Inches
Part Number16 1/2x21 5/8x1 MERV 8