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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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Rigid HVAC Filters

Enhance your HVAC system’s performance with our premium selection of rigid filters, designed to meet the highest standards of air filtration across various applications.

Our Rigid HVAC Filter Collection Includes:

• Multi-Cell Filters: High-efficiency, extended surface filters ideal for variable air volume (VAV) systems, available in multiple efficiencies and configurations.

• DuraMAX Series: Rigid, extended surface minipleat filters offering low pressure drop and prolonged service life, suitable for demanding environments.

• MicroMAX Filters: Compact, extended surface minipleat filters providing high efficiency and low pressure drop, perfect for standard HVAC systems.

• Multi-Flo Series: Rigid, extended surface filters engineered for medium to high efficiency air filtration with durable construction, suitable for VAV applications. 

Our rigid filters are constructed with robust materials to withstand variable air volumes and high velocities, ensuring consistent performance and durability. They are available in various sizes and efficiency ratings to accommodate your specific HVAC requirements.

Invest in our rigid HVAC filters to maintain optimal indoor air quality, protect your HVAC equipment, and enhance overall system efficiency.

For detailed specifications and to select the appropriate filter for your needs, please refer to the individual product pages.

Filters

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$
$ 1,230.25 - $ 1,230.25
$ 1,230.25
$ 1,230.25 - $ 1,230.25
$ 1,230.25

20x20x2 Koch Multi-Cell CS MERV 11 110-502-002 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 1,230.25 - $ 1,230.25
$ 1,230.25
$ 1,230.25 - $ 1,230.25
$ 1,230.25
$ 1,443.45 - $ 1,443.45
$ 1,443.45
$ 1,443.45 - $ 1,443.45
$ 1,443.45

20x25x2 Koch Multi-Cell CS MERV 11 110-502-004 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 1,443.45 - $ 1,443.45
$ 1,443.45
$ 1,443.45 - $ 1,443.45
$ 1,443.45
$ 1,482.65 - $ 1,482.65
$ 1,482.65
$ 1,482.65 - $ 1,482.65
$ 1,482.65

24x24x2 Koch Multi-Cell CS MERV 11 110-502-001 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 1,482.65 - $ 1,482.65
$ 1,482.65
$ 1,482.65 - $ 1,482.65
$ 1,482.65
$ 523.20 - $ 523.20
$ 523.20
$ 523.20 - $ 523.20
$ 523.20

12x24x4 Koch Multi-Cell CS MERV 13 110-501-403 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 523.20 - $ 523.20
$ 523.20
$ 523.20 - $ 523.20
$ 523.20
$ 637.64 - $ 637.64
$ 637.64
$ 637.64 - $ 637.64
$ 637.64

16x25x4 Koch Multi-Cell CS MERV 13 110-501-406 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 637.64 - $ 637.64
$ 637.64
$ 637.64 - $ 637.64
$ 637.64
$ 618.48 - $ 618.48
$ 618.48
$ 618.48 - $ 618.48
$ 618.48

16x20x4 Koch Multi-Cell CS MERV 13 110-501-405 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 618.48 - $ 618.48
$ 618.48
$ 618.48 - $ 618.48
$ 618.48
$ 823.98 - $ 823.98
$ 823.98
$ 823.98 - $ 823.98
$ 823.98

20x25x4 Koch Multi-Cell CS MERV 13 110-501-404 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 823.98 - $ 823.98
$ 823.98
$ 823.98 - $ 823.98
$ 823.98
$ 713.02 - $ 713.02
$ 713.02
$ 713.02 - $ 713.02
$ 713.02

24x24x4 Koch Multi-Cell CS MERV 13 110-501-401 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 713.02 - $ 713.02
$ 713.02
$ 713.02 - $ 713.02
$ 713.02
$ 849.35 - $ 849.35
$ 849.35
$ 849.35 - $ 849.35
$ 849.35

12x24x2 Koch Multi-Cell CS MERV 13 110-501-003 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 849.35 - $ 849.35
$ 849.35
$ 849.35 - $ 849.35
$ 849.35
$ 1,217.90 - $ 1,217.90
$ 1,217.90
$ 1,217.90 - $ 1,217.90
$ 1,217.90

16x25x2 Koch Multi-Cell CS MERV 13 110-501-006 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 1,217.90 - $ 1,217.90
$ 1,217.90
$ 1,217.90 - $ 1,217.90
$ 1,217.90
$ 1,143.90 - $ 1,143.90
$ 1,143.90
$ 1,143.90 - $ 1,143.90
$ 1,143.90

16x20x2 Koch Multi-Cell CS MERV 13 110-501-005 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 1,143.90 - $ 1,143.90
$ 1,143.90
$ 1,143.90 - $ 1,143.90
$ 1,143.90
$ 1,315.55 - $ 1,315.55
$ 1,315.55
$ 1,315.55 - $ 1,315.55
$ 1,315.55

20x20x2 Koch Multi-Cell CS MERV 13 110-501-002 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 1,315.55 - $ 1,315.55
$ 1,315.55
$ 1,315.55 - $ 1,315.55
$ 1,315.55
$ 1,335.00 - $ 1,335.00
$ 1,335.00
$ 1,335.00 - $ 1,335.00
$ 1,335.00

20x25x2 Koch Multi-Cell CS MERV 13 110-501-004 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 1,335.00 - $ 1,335.00
$ 1,335.00
$ 1,335.00 - $ 1,335.00
$ 1,335.00
$ 1,504.15 - $ 1,504.15
$ 1,504.15
$ 1,504.15 - $ 1,504.15
$ 1,504.15

24x24x2 Koch Multi-Cell CS MERV 13 110-501-001 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 1,504.15 - $ 1,504.15
$ 1,504.15
$ 1,504.15 - $ 1,504.15
$ 1,504.15
$ 542.42 - $ 542.42
$ 542.42
$ 542.42 - $ 542.42
$ 542.42

12x24x4 Koch Multi-Cell CS MERV 14 110-500-403 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 542.42 - $ 542.42
$ 542.42
$ 542.42 - $ 542.42
$ 542.42
$ 833.94 - $ 833.94
$ 833.94
$ 833.94 - $ 833.94
$ 833.94

16x25x4 Koch Multi-Cell CS MERV 14 110-500-406 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 833.94 - $ 833.94
$ 833.94
$ 833.94 - $ 833.94
$ 833.94
$ 651.64 - $ 651.64
$ 651.64
$ 651.64 - $ 651.64
$ 651.64

16x20x4 Koch Multi-Cell CS MERV 14 110-500-405 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 651.64 - $ 651.64
$ 651.64
$ 651.64 - $ 651.64
$ 651.64
$ 797.44 - $ 797.44
$ 797.44
$ 797.44 - $ 797.44
$ 797.44

20x25x4 Koch Multi-Cell CS MERV 14 110-500-404 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 797.44 - $ 797.44
$ 797.44
$ 797.44 - $ 797.44
$ 797.44
$ 713.02 - $ 713.02
$ 713.02
$ 713.02 - $ 713.02
$ 713.02

24x24x4 Koch Multi-Cell CS MERV 14 110-500-401 (2 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 713.02 - $ 713.02
$ 713.02
$ 713.02 - $ 713.02
$ 713.02
$ 1,018.50 - $ 1,018.50
$ 1,018.50
$ 1,018.50 - $ 1,018.50
$ 1,018.50

12x24x2 Koch Multi-Cell CS MERV 14 110-500-003 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 1,018.50 - $ 1,018.50
$ 1,018.50
$ 1,018.50 - $ 1,018.50
$ 1,018.50
$ 1,264.10 - $ 1,264.10
$ 1,264.10
$ 1,264.10 - $ 1,264.10
$ 1,264.10

16x25x2 Koch Multi-Cell CS MERV 14 110-500-006 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 1,264.10 - $ 1,264.10
$ 1,264.10
$ 1,264.10 - $ 1,264.10
$ 1,264.10
$ 1,235.70 - $ 1,235.70
$ 1,235.70
$ 1,235.70 - $ 1,235.70
$ 1,235.70

16x20x2 Koch Multi-Cell CS MERV 14 110-500-005 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 1,235.70 - $ 1,235.70
$ 1,235.70
$ 1,235.70 - $ 1,235.70
$ 1,235.70
$ 1,244.45 - $ 1,244.45
$ 1,244.45
$ 1,244.45 - $ 1,244.45
$ 1,244.45

20x20x2 Koch Multi-Cell CS MERV 14 110-500-002 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

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$ 1,244.45 - $ 1,244.45
$ 1,244.45
$ 1,244.45 - $ 1,244.45
$ 1,244.45
$ 1,464.85 - $ 1,464.85
$ 1,464.85
$ 1,464.85 - $ 1,464.85
$ 1,464.85

20x25x2 Koch Multi-Cell CS MERV 14 110-500-004 (5 Filters)

Koch

Multi-Cell CS Filters Compact Size High-Efficiency Extended Surface Filters Features: High-efficiency microfiberglass filter media Available in th...

View full details
$ 1,464.85 - $ 1,464.85
$ 1,464.85
$ 1,464.85 - $ 1,464.85
$ 1,464.85

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