Air Filtration
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Koch Filter 20x20x3 Type 8 Galv Frame
Koch Filter Corporation
MSRP: $56.55$46.32Koch Filter 20x20x3 Type 8 Galv Frame L. Dewitt's SKU #: 122-608-2020 | Mfr Part #: 122-608-2020 Product Overview Koch Filter 20x20x3 Type 8 Galv Frame — a Koch Filter Corporation product engineered for commercial and...122-608-2020MSRP: $56.55$46.32 -
Koch Filter 20x20x5 Koch AB MERV 11 Air Filter
Koch Filter Corporation
MSRP: $53.75$35.07Koch Filter 20x20x5 Koch AB MERV 11 Air Filter L. Dewitt's SKU #: 102-718-203 | Mfr Part #: 102-718-203 Product Overview This Koch-brand replacement filter provides MERV 11 efficiency and is desined to fit Trion Air...102-718-203MSRP: $53.75$35.07 -
Koch Filter 20x20x5 Koch AB Merv13 MERV 13 Air Filter
Koch Filter Corporation
MSRP: $71.00$46.33Koch Filter 20x20x5 Koch AB Merv13 MERV 13 Air Filter L. Dewitt's SKU #: 102-718-303 | Mfr Part #: 102-718-303 Product Overview This Koch-brand replacement filter provides MERV 13 efficiency and is desined to fit Trion...102-718-303MSRP: $71.00$46.33 -
Koch Filter 20x20x5 Koch AB Replacement MERV 8 Air Filter
Koch Filter Corporation
MSRP: $46.24$30.17Koch Filter 20x20x5 Koch AB Replacement MERV 8 Air Filter L. Dewitt's SKU #: 102-718-003 | Mfr Part #: 102-718-003 Product Overview This Koch-brand replacement filter provides MERV 8 efficiency and is desined to fit...102-718-003MSRP: $46.24$30.17 -
Koch Filter 20x24x3 Type 8 304 SS Frame
Koch Filter Corporation
MSRP: $163.83$134.17Koch Filter 20x24x3 Type 8 304 SS Frame L. Dewitt's SKU #: 122-618-2024 | Mfr Part #: 122-618-2024 Product Overview Koch Filter 20x24x3 Type 8 304 SS Frame — a Koch Filter Corporation product engineered for commercial...122-618-2024MSRP: $163.83$134.17 -
Koch Filter 20x24x3 Type 8 Galv Frame
Koch Filter Corporation
MSRP: $57.79$47.33Koch Filter 20x24x3 Type 8 Galv Frame L. Dewitt's SKU #: 122-608-2024 | Mfr Part #: 122-608-2024 Product Overview Koch Filter 20x24x3 Type 8 Galv Frame — a Koch Filter Corporation product engineered for commercial and...122-608-2024MSRP: $57.79$47.33 -
Koch Filter 20x25x15 Spray Stop U-cube HC MERV 6-8 Air Filter
Koch Filter Corporation
MSRP: $79.35$61.69Koch Filter 20x25x15 Spray Stop U-cube HC MERV 6–8 Air Filter L. Dewitt's SKU #: 105-711-014 | Mfr Part #: 105-711-014 Product Overview Koch Filter 20x25x15 Spray Stop U-cube HC MERV 6–8 Air Filter — a Koch Filter...105-711-014MSRP: $79.35$61.69 -
Koch Filter 20x25x15 Spray Stop U-cube HE MERV 6-8 Air Filter
Koch Filter Corporation
MSRP: $55.21$42.93Koch Filter 20x25x15 Spray Stop U-cube HE MERV 6–8 Air Filter L. Dewitt's SKU #: 105-502-003 | Mfr Part #: 105-502-003 Product Overview Koch Filter 20x25x15 Spray Stop U-cube HE MERV 6–8 Air Filter — a Koch Filter...105-502-003MSRP: $55.21$42.93 -
Koch Filter 20x25x20 Spray Stop U-cube HC MERV 6-8 Air Filter
Koch Filter Corporation
MSRP: $90.12$70.06Koch Filter 20x25x20 Spray Stop U-cube HC MERV 6–8 Air Filter L. Dewitt's SKU #: 105-711-019 | Mfr Part #: 105-711-019 Product Overview Koch Filter 20x25x20 Spray Stop U-cube HC MERV 6–8 Air Filter — a Koch Filter...105-711-019MSRP: $90.12$70.06 -
Koch Filter 20x25x3 Type 8 304 SS Frame
Koch Filter Corporation
MSRP: $160.23$131.22Koch Filter 20x25x3 Type 8 304 SS Frame L. Dewitt's SKU #: 122-618-2025 | Mfr Part #: 122-618-2025 Product Overview Koch Filter 20x25x3 Type 8 304 SS Frame — a Koch Filter Corporation product engineered for commercial...122-618-2025MSRP: $160.23$131.22 -
Koch Filter 20x25x3 Type 8 Galv Frame
Koch Filter Corporation
MSRP: $55.42$45.38Koch Filter 20x25x3 Type 8 Galv Frame L. Dewitt's SKU #: 122-608-2025 | Mfr Part #: 122-608-2025 Product Overview Koch Filter 20x25x3 Type 8 Galv Frame — a Koch Filter Corporation product engineered for commercial and...122-608-2025MSRP: $55.42$45.38 -
Koch Filter 20x25x4 Koch Hwell MERV 11 Air Filter
Koch Filter Corporation
MSRP: $47.78$31.19Koch Filter 20x25x4 Koch Hwell MERV 11 Air Filter L. Dewitt's SKU #: 102-718-204 | Mfr Part #: 102-718-204 Product Overview This Koch-brand replacement filter provides MERV 11 efficiency and is desined to fit Honeywell...102-718-204MSRP: $47.78$31.19
