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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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$ 232.47 - $ 232.47
$ 232.47
$ 232.47 - $ 232.47
$ 232.47

20x16x12 Koch Multi-Cell Galvanized MERV 13 Single Header 110-732-004

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 232.47 - $ 232.47
$ 232.47
$ 232.47 - $ 232.47
$ 232.47
$ 219.83 - $ 219.83
$ 219.83
$ 219.83 - $ 219.83
$ 219.83

24x20x12 Koch Multi-Cell Galvanized MERV 13 Single Header 110-732-003

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 219.83 - $ 219.83
$ 219.83
$ 219.83 - $ 219.83
$ 219.83
$ 323.22 - $ 323.22
$ 323.22
$ 323.22 - $ 323.22
$ 323.22

24x12x12 Koch Multi-Cell Galvanized MERV 13 Single Header 110-732-002 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 323.22 - $ 323.22
$ 323.22
$ 323.22 - $ 323.22
$ 323.22
$ 246.64 - $ 246.64
$ 246.64
$ 246.64 - $ 246.64
$ 246.64

24x24x12 Koch Multi-Cell Galvanized MERV 13 Single Header 110-732-001

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 246.64 - $ 246.64
$ 246.64
$ 246.64 - $ 246.64
$ 246.64
$ 438.22 - $ 438.22
$ 438.22
$ 438.22 - $ 438.22
$ 438.22

20x25x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-016 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 438.22 - $ 438.22
$ 438.22
$ 438.22 - $ 438.22
$ 438.22
$ 412.46 - $ 412.46
$ 412.46
$ 412.46 - $ 412.46
$ 412.46

24x18x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-015 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 412.46 - $ 412.46
$ 412.46
$ 412.46 - $ 412.46
$ 412.46
$ 362.18 - $ 362.18
$ 362.18
$ 362.18 - $ 362.18
$ 362.18

16x25x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-014 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 362.18 - $ 362.18
$ 362.18
$ 362.18 - $ 362.18
$ 362.18
$ 339.24 - $ 339.24
$ 339.24
$ 339.24 - $ 339.24
$ 339.24

20x20x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-013 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 339.24 - $ 339.24
$ 339.24
$ 339.24 - $ 339.24
$ 339.24
$ 388.82 - $ 388.82
$ 388.82
$ 388.82 - $ 388.82
$ 388.82

20x16x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-012 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 388.82 - $ 388.82
$ 388.82
$ 388.82 - $ 388.82
$ 388.82
$ 383.28 - $ 383.28
$ 383.28
$ 383.28 - $ 383.28
$ 383.28

24x20x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-011 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 383.28 - $ 383.28
$ 383.28
$ 383.28 - $ 383.28
$ 383.28
$ 627.52 - $ 627.52
$ 627.52
$ 627.52 - $ 627.52
$ 627.52

24x12x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-010 (4 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 627.52 - $ 627.52
$ 627.52
$ 627.52 - $ 627.52
$ 627.52
$ 380.74 - $ 380.74
$ 380.74
$ 380.74 - $ 380.74
$ 380.74

24x24x6 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-009 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 380.74 - $ 380.74
$ 380.74
$ 380.74 - $ 380.74
$ 380.74
$ 292.75 - $ 292.75
$ 292.75
$ 292.75 - $ 292.75
$ 292.75

20x25x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-008

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 292.75 - $ 292.75
$ 292.75
$ 292.75 - $ 292.75
$ 292.75
$ 274.45 - $ 274.45
$ 274.45
$ 274.45 - $ 274.45
$ 274.45

24x18x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-007

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 274.45 - $ 274.45
$ 274.45
$ 274.45 - $ 274.45
$ 274.45
$ 278.44 - $ 278.44
$ 278.44
$ 278.44 - $ 278.44
$ 278.44

16x25x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-006

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 278.44 - $ 278.44
$ 278.44
$ 278.44 - $ 278.44
$ 278.44
$ 250.32 - $ 250.32
$ 250.32
$ 250.32 - $ 250.32
$ 250.32

20x20x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-005

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

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$ 250.32 - $ 250.32
$ 250.32
$ 250.32 - $ 250.32
$ 250.32
$ 250.40 - $ 250.40
$ 250.40
$ 250.40 - $ 250.40
$ 250.40

20x16x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-004

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 250.40 - $ 250.40
$ 250.40
$ 250.40 - $ 250.40
$ 250.40
$ 252.17 - $ 252.17
$ 252.17
$ 252.17 - $ 252.17
$ 252.17

24x20x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-003

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 252.17 - $ 252.17
$ 252.17
$ 252.17 - $ 252.17
$ 252.17
$ 365.38 - $ 365.38
$ 365.38
$ 365.38 - $ 365.38
$ 365.38

24x12x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-002 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 365.38 - $ 365.38
$ 365.38
$ 365.38 - $ 365.38
$ 365.38
$ 263.04 - $ 263.04
$ 263.04
$ 263.04 - $ 263.04
$ 263.04

24x24x12 Koch Multi-Cell Galvanized MERV 14 No Header 110-710-001

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 263.04 - $ 263.04
$ 263.04
$ 263.04 - $ 263.04
$ 263.04
$ 484.76 - $ 484.76
$ 484.76
$ 484.76 - $ 484.76
$ 484.76

20x25x6 Koch Multi-Cell Galvanized MERV 14 Double Header 110-720-016 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 484.76 - $ 484.76
$ 484.76
$ 484.76 - $ 484.76
$ 484.76
$ 410.48 - $ 410.48
$ 410.48
$ 410.48 - $ 410.48
$ 410.48

24x18x6 Koch Multi-Cell Galvanized MERV 14 Double Header 110-720-015 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 410.48 - $ 410.48
$ 410.48
$ 410.48 - $ 410.48
$ 410.48
$ 329.16 - $ 329.16
$ 329.16
$ 329.16 - $ 329.16
$ 329.16

16x25x6 Koch Multi-Cell Galvanized MERV 14 Double Header 110-720-014 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 329.16 - $ 329.16
$ 329.16
$ 329.16 - $ 329.16
$ 329.16
$ 367.16 - $ 367.16
$ 367.16
$ 367.16 - $ 367.16
$ 367.16

20x20x6 Koch Multi-Cell Galvanized MERV 14 Double Header 110-720-013 (2 Filters)

Koch

Multi-Cell Air Filters Medium & High Efficiency Extended Surface Air Filters Features: Three efficiency ranges Multiple frame and header optio...

View full details
$ 367.16 - $ 367.16
$ 367.16
$ 367.16 - $ 367.16
$ 367.16

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