Koch Filter Corporation
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Koch Filter Maxi-Grid 550 20x60-63 3-Link 20x20 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $35.79$24.15Koch Filter Maxi-Grid 550 20x60-63 3-Link 20x20 MERV 8 Air Filter L. Dewitt's SKU #: 135-2020-03 | Mfr Part #: 135-2020-03 Product Overview Koch Filter Maxi-Grid...135-2020-03MSRP: $35.79$24.15 -
Koch Filter Maxi-Grid 550 20x600-624 24-Link 20x25 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $316.08$213.27Koch Filter Maxi-Grid 550 20x600-624 24-Link 20x25 MERV 8 Air Filter L. Dewitt's SKU #: 135-2025-24 | Mfr Part #: 135-2025-24 Product Overview Koch Filter...135-2025-24MSRP: $316.08$213.27 -
Koch Filter Maxi-Grid 550 20x64-68 4-Link 20x16 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $43.87$29.60Koch Filter Maxi-Grid 550 20x64-68 4-Link 20x16 MERV 8 Air Filter L. Dewitt's SKU #: 135-2016-04 | Mfr Part #: 135-2016-04 Product Overview Koch Filter Maxi-Grid...135-2016-04MSRP: $43.87$29.60 -
Koch Filter Maxi-Grid 550 20x66-69 3-Link 20x22 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $37.24$25.13Koch Filter Maxi-Grid 550 20x66-69 3-Link 20x22 MERV 8 Air Filter L. Dewitt's SKU #: 135-2022-03 | Mfr Part #: 135-2022-03 Product Overview Koch Filter Maxi-Grid...135-2022-03MSRP: $37.24$25.13 -
Koch Filter Maxi-Grid 550 20x72-75 3-Link 20x24 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $38.62$26.05Koch Filter Maxi-Grid 550 20x72-75 3-Link 20x24 MERV 8 Air Filter L. Dewitt's SKU #: 135-2024-03 | Mfr Part #: 135-2024-03 Product Overview Koch Filter Maxi-Grid...135-2024-03MSRP: $38.62$26.05 -
Koch Filter Maxi-Grid 550 20x72-76 4-Link 20x18 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $47.90$32.32Koch Filter Maxi-Grid 550 20x72-76 4-Link 20x18 MERV 8 Air Filter L. Dewitt's SKU #: 135-2018-04 | Mfr Part #: 135-2018-04 Product Overview Koch Filter Maxi-Grid...135-2018-04MSRP: $47.90$32.32 -
Koch Filter Maxi-Grid 550 20x75-78 3-Link 20x25 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $39.30$26.52Koch Filter Maxi-Grid 550 20x75-78 3-Link 20x25 MERV 8 Air Filter L. Dewitt's SKU #: 135-2025-03 | Mfr Part #: 135-2025-03 Product Overview Koch Filter Maxi-Grid...135-2025-03MSRP: $39.30$26.52 -
Koch Filter Maxi-Grid 550 20x80-84 4-Link 20x20 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $47.78$32.24Koch Filter Maxi-Grid 550 20x80-84 4-Link 20x20 MERV 8 Air Filter L. Dewitt's SKU #: 135-2020-04 | Mfr Part #: 135-2020-04 Product Overview Koch Filter Maxi-Grid...135-2020-04MSRP: $47.78$32.24 -
Koch Filter Maxi-Grid 550 20x80-85 5-Link 20x16 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $55.25$37.27Koch Filter Maxi-Grid 550 20x80-85 5-Link 20x16 MERV 8 Air Filter L. Dewitt's SKU #: 135-2016-05 | Mfr Part #: 135-2016-05 Product Overview Koch Filter Maxi-Grid...135-2016-05MSRP: $55.25$37.27 -
Koch Filter Maxi-Grid 550 20x88-92 4-Link 20x22 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $49.72$33.54Koch Filter Maxi-Grid 550 20x88-92 4-Link 20x22 MERV 8 Air Filter L. Dewitt's SKU #: 135-2022-04 | Mfr Part #: 135-2022-04 Product Overview Koch Filter Maxi-Grid...135-2022-04MSRP: $49.72$33.54 -
Koch Filter Maxi-Grid 550 20x90-95 5-Link 20x18 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $58.09$39.20Koch Filter Maxi-Grid 550 20x90-95 5-Link 20x18 MERV 8 Air Filter L. Dewitt's SKU #: 135-2018-05 | Mfr Part #: 135-2018-05 Product Overview Koch Filter Maxi-Grid...135-2018-05MSRP: $58.09$39.20 -
Koch Filter Maxi-Grid 550 20x96-100 4-Link 20x24 MERV 8 Air Filter
Koch Filter Corporation
MSRP: $51.55$34.77Koch Filter Maxi-Grid 550 20x96-100 4-Link 20x24 MERV 8 Air Filter L. Dewitt's SKU #: 135-2024-04 | Mfr Part #: 135-2024-04 Product Overview Koch Filter Maxi-Grid...135-2024-04MSRP: $51.55$34.77
