Koch Filter Corporation
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Koch Filter Maxi-Grid 300 20x432-456 24-Link 20x18 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $288.98$194.97Koch Filter Maxi-Grid 300 20x432-456 24-Link 20x18 MERV 8 Air Filter L. Dewitt's SKU #: 133-2018-24 | Mfr Part #: 133-2018-24 Product Overview Koch Filter...133-2018-24MSRP: $288.98$194.97 -
Koch Filter Maxi-Grid 300 20x44-46 2-Link 20x22 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $25.82$17.42Koch Filter Maxi-Grid 300 20x44-46 2-Link 20x22 MERV 8 Air Filter L. Dewitt's SKU #: 133-2022-02 | Mfr Part #: 133-2022-02 Product Overview Koch Filter Maxi-Grid...133-2022-02MSRP: $25.82$17.42 -
Koch Filter Maxi-Grid 300 20x48-50 2-Link 20x24 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $26.79$18.07Koch Filter Maxi-Grid 300 20x48-50 2-Link 20x24 MERV 8 Air Filter L. Dewitt's SKU #: 133-2024-02 | Mfr Part #: 133-2024-02 Product Overview Koch Filter Maxi-Grid...133-2024-02MSRP: $26.79$18.07 -
Koch Filter Maxi-Grid 300 20x48-51 3-Link 20x16 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $34.15$23.04Koch Filter Maxi-Grid 300 20x48-51 3-Link 20x16 MERV 8 Air Filter L. Dewitt's SKU #: 133-2016-03 | Mfr Part #: 133-2016-03 Product Overview Koch Filter Maxi-Grid...133-2016-03MSRP: $34.15$23.04 -
Koch Filter Maxi-Grid 300 20x480-504 24-Link 20x20 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $299.75$202.24Koch Filter Maxi-Grid 300 20x480-504 24-Link 20x20 MERV 8 Air Filter L. Dewitt's SKU #: 133-2020-24 | Mfr Part #: 133-2020-24 Product Overview Koch Filter...133-2020-24MSRP: $299.75$202.24 -
Koch Filter Maxi-Grid 300 20x50-52 2-Link 20x25 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $27.26$18.39Koch Filter Maxi-Grid 300 20x50-52 2-Link 20x25 MERV 8 Air Filter L. Dewitt's SKU #: 133-2025-02 | Mfr Part #: 133-2025-02 Product Overview Koch Filter Maxi-Grid...133-2025-02MSRP: $27.26$18.39 -
Koch Filter Maxi-Grid 300 20x528-552 24-Link 20x22 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $312.13$210.60Koch Filter Maxi-Grid 300 20x528-552 24-Link 20x22 MERV 8 Air Filter L. Dewitt's SKU #: 133-2022-24 | Mfr Part #: 133-2022-24 Product Overview Koch Filter...133-2022-24MSRP: $312.13$210.60 -
Koch Filter Maxi-Grid 300 20x54-57 3-Link 20x18 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $35.93$24.24Koch Filter Maxi-Grid 300 20x54-57 3-Link 20x18 MERV 8 Air Filter L. Dewitt's SKU #: 133-2018-03 | Mfr Part #: 133-2018-03 Product Overview Koch Filter Maxi-Grid...133-2018-03MSRP: $35.93$24.24 -
Koch Filter Maxi-Grid 300 20x576-600 24-Link 20x24 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $323.83$218.49Koch Filter Maxi-Grid 300 20x576-600 24-Link 20x24 MERV 8 Air Filter L. Dewitt's SKU #: 133-2024-24 | Mfr Part #: 133-2024-24 Product Overview Koch Filter...133-2024-24MSRP: $323.83$218.49 -
Koch Filter Maxi-Grid 300 20x60-63 3-Link 20x20 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $37.27$25.14Koch Filter Maxi-Grid 300 20x60-63 3-Link 20x20 MERV 8 Air Filter L. Dewitt's SKU #: 133-2020-03 | Mfr Part #: 133-2020-03 Product Overview Koch Filter Maxi-Grid...133-2020-03MSRP: $37.27$25.14 -
Koch Filter Maxi-Grid 300 20x600-624 24-Link 20x25 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $329.68$222.43Koch Filter Maxi-Grid 300 20x600-624 24-Link 20x25 MERV 8 Air Filter L. Dewitt's SKU #: 133-2025-24 | Mfr Part #: 133-2025-24 Product Overview Koch Filter...133-2025-24MSRP: $329.68$222.43 -
Koch Filter Maxi-Grid 300 20x64-68 4-Link 20x16 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $45.62$30.78Koch Filter Maxi-Grid 300 20x64-68 4-Link 20x16 MERV 8 Air Filter L. Dewitt's SKU #: 133-2016-04 | Mfr Part #: 133-2016-04 Product Overview Koch Filter Maxi-Grid...133-2016-04MSRP: $45.62$30.78
