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Quality HVAC Filters for Residential & Commercial, All Sizes, Free Shipping!
Quality HVAC Filters, All Sizes, Free Shipping!
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18x24x1 HVAC, Furnace, AC and Heat Pump Filters

Choose our reliable 18x24x1 HVAC filters for exceptional air quality in any setting. From premium brands, these filters ensure your HVAC system operates efficiently, delivering clean air for both homes and businesses. Choose our 18x24x1 filters for dependable performance.

Filters

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18x24x1 Koch Multi-Pleat XL8 Standard Capacity MERV 8 102-041-016 (12 Filters)
$ 104.99 - $ 104.99
$ 104.99
$ 104.99 - $ 104.99
$ 104.99

18x24x1 Koch Multi-Pleat XL8 Standard Capacity MERV 8 102-041-016 (12 Filters)

Koch

Standard Capacity Extended Surface Pleated Panel Filter Features Upgrade from standard pleated filters MERV 8 and MERV 8...

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$ 104.99 - $ 104.99
$ 104.99
$ 104.99 - $ 104.99
$ 104.99
18x24x1 Koch Disposable Polyester Panel 284-180-240 (12 Filters)
$ 71.99 - $ 71.99
$ 71.99
$ 71.99 - $ 71.99
$ 71.99

18x24x1 Koch Disposable Polyester Panel 284-180-240 (12 Filters)

Koch

Disposable Panel Filters for Commercial, Industrial & Residential Use KOCH Disposable Polyester Panel Filters are versatile and suitable for a...

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$ 71.99 - $ 71.99
$ 71.99
$ 71.99 - $ 71.99
$ 71.99
18x24x12 AAF Flanders VariCel Single Header MERV 14 | 331-946-152
$ 257.06 - $ 257.06
$ 257.06
$ 257.06 - $ 257.06
$ 257.06

18x24x12 AAF Flanders VariCel Single Header MERV 14 | 331-946-152

AAF Flanders

VariCel® High Efficiency Pleat Filters VariCel® filters are engineered for high-performance air filtration in a variety of environments. Thei...

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$ 257.06 - $ 257.06
$ 257.06
$ 257.06 - $ 257.06
$ 257.06
18x24x12 AAF Flanders VariCel Single Header MERV 11 | 331-953-152
$ 249.44 - $ 249.44
$ 249.44
$ 249.44 - $ 249.44
$ 249.44

18x24x12 AAF Flanders VariCel Single Header MERV 11 | 331-953-152

AAF Flanders

VariCel® High Efficiency Pleat Filters VariCel® filters are engineered for high-performance air filtration in a variety of environments. Thei...

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$ 249.44 - $ 249.44
$ 249.44
$ 249.44 - $ 249.44
$ 249.44
18x24x12 AAF Flanders VariCel Single Header MERV 13 | 331-765-152
$ 251.35 - $ 251.35
$ 251.35
$ 251.35 - $ 251.35
$ 251.35

18x24x12 AAF Flanders VariCel Single Header MERV 13 | 331-765-152

AAF Flanders

VariCel® High Efficiency Pleat Filters VariCel® filters are engineered for high-performance air filtration in a variety of environments. Thei...

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$ 251.35 - $ 251.35
$ 251.35
$ 251.35 - $ 251.35
$ 251.35
$ 180.99 - $ 180.99
$ 180.99
$ 180.99 - $ 180.99
$ 180.99

18x24x1 PREpleat MERV 11 High Capacity 85755.011824M11 (12 Filters)

AAF Flanders

The PREpleat M11 HC is 2 to 3 times more efficient at capturing small particles than standard MERV 8 pleated filters. The durable design and high-c...

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$ 180.99 - $ 180.99
$ 180.99
$ 180.99 - $ 180.99
$ 180.99
18x24x1 NaturalAire Healthy Ultra MERV 13 Filters (12 pack)
Save 24% Save %
$ 129.50
$ 129.50 - $ 129.50
$ 129.50
$ 97.99
$ 97.99 - $ 97.99
$ 97.99

WAREHOUSE DEAL 18x24x1 NaturalAire Healthy Ultra MERV 13 Filters 95003.011824 (7 pack)

AAF Flanders

The NaturalAire MERV 13 air filter removes potentially harmful particles to keep the air in your home or office clean and healthier. This premium r...

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$ 129.50
$ 129.50 - $ 129.50
$ 129.50
$ 97.99
$ 97.99 - $ 97.99
$ 97.99
Save 24% Save %
18x24x1 NaturalAire Microparticle MERV 10 Filters (12 pack)
Save 35% Save %
$ 26.00
$ 26.00 - $ 26.00
$ 26.00
$ 16.99
$ 16.99 - $ 16.99
$ 16.99

WAREHOUSE DEAL 18x24x1 NaturalAire Microparticle MERV 10 Filters 85156.011824 (2 pack)

AAF Flanders

The NaturalAire Microparticle air filter removes potentially harmful airborne particles to keep the air in your home or office clean and healthier....

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$ 26.00
$ 26.00 - $ 26.00
$ 26.00
$ 16.99
$ 16.99 - $ 16.99
$ 16.99
Save 35% Save %
$ 197.99 - $ 197.99
$ 197.99
$ 197.99 - $ 197.99
$ 197.99

18x24x1 PREpleat MERV 13 Extended Surface 90013.011824 (12 Filters)

AAF Flanders

The PREpleat M13 pleated filter has a low initial resistance and supports achievement of LEED® credits by significantly improving Indoor Air Qualit...

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$ 197.99 - $ 197.99
$ 197.99
$ 197.99 - $ 197.99
$ 197.99
18x24x1 MEGApleat Premium High-Capacity MERV 9 Pleated Filter (12 pack)
$ 267.99 - $ 267.99
$ 267.99
$ 267.99 - $ 267.99
$ 267.99

18x24x1 MEGApleat Premium High-Capacity MERV 9 Pleated Filter (12 pack)

AAF Flanders

The New Standard in Premium Pleated Filters Introducing the longest-lasting MERV 9 pleated panel filter on the market—the MEGApleat M9. Manufacture...

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$ 267.99 - $ 267.99
$ 267.99
$ 267.99 - $ 267.99
$ 267.99
18x24x1 Exact Pleated MERV 11 Filters (12 pack)
$ 235.99 - $ 235.99
$ 235.99
$ 235.99 - $ 235.99
$ 235.99

18x24x1 Exact Filters Pleated MERV 11 (12 pack)

Exact Filters

18x24x1 Upgrade your HVAC system with Exact Filters! Say goodbye to the frustration of finding the right fit for your furnace, AC, heat pump, or HV...

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$ 235.99 - $ 235.99
$ 235.99
$ 235.99 - $ 235.99
$ 235.99

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