Air Filtration
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Koch Filter 20x25x4 Koch Hwell MERV 13 Air Filter
Koch Filter Corporation
MSRP: $67.38$43.97Koch Filter 20x25x4 Koch Hwell MERV 13 Air Filter L. Dewitt's SKU #: 102-718-304 | Mfr Part #: 102-718-304 Product Overview This Koch-brand replacement filter provides MERV 13 efficiency and is desined to fit Honeywell...102-718-304MSRP: $67.38$43.97 -
Koch Filter 20x25x4 Koch Hwell MERV 8 Air Filter
Koch Filter Corporation
MSRP: $40.80$26.62Koch Filter 20x25x4 Koch Hwell MERV 8 Air Filter L. Dewitt's SKU #: 102-718-004 | Mfr Part #: 102-718-004 Product Overview This Koch-brand replacement filter provides MERV 8 efficiency and is desined to fit Honeywell...102-718-004MSRP: $40.80$26.62 -
Koch Filter 20x25x5 Koch AB MERV 11 Air Filter
Koch Filter Corporation
MSRP: $46.34$30.24Koch Filter 20x25x5 Koch AB MERV 11 Air Filter L. Dewitt's SKU #: 102-718-201 | Mfr Part #: 102-718-201 Product Overview This Koch-brand replacement filter provides MERV 11 efficiency and is desined to fit Trion Air...102-718-201MSRP: $46.34$30.24 -
Koch Filter 20x25x5 Koch AB MERV 13 Air Filter
Koch Filter Corporation
MSRP: $62.16$40.56Koch Filter 20x25x5 Koch AB MERV 13 Air Filter L. Dewitt's SKU #: 102-718-301 | Mfr Part #: 102-718-301 Product Overview This Koch-brand replacement filter provides MERV 13 efficiency and is desined to fit Trion Air...102-718-301MSRP: $62.16$40.56 -
Koch Filter 20x25x5 Koch AB MERV 8 Air Filter
Koch Filter Corporation
MSRP: $36.99$24.14Koch Filter 20x25x5 Koch AB MERV 8 Air Filter L. Dewitt's SKU #: 102-718-001 | Mfr Part #: 102-718-001 Product Overview This Koch-brand replacement filter provides MERV 8 efficiency and is desined to fit Trion Air Bear...102-718-001MSRP: $36.99$24.14 -
Koch Filter 20x25x6 Koch SG MERV 11 Air Filter
Koch Filter Corporation
MSRP: $75.11$49.02Koch Filter 20x25x6 Koch SG MERV 11 Air Filter L. Dewitt's SKU #: 102-718-209 | Mfr Part #: 102-718-209 Product Overview This Koch-brand replacement filter provides MERV 11 efficiency and is desined to fit Aprilaire...102-718-209MSRP: $75.11$49.02 -
Koch Filter 20x25x6 Koch SG MERV 13 Air Filter
Koch Filter Corporation
MSRP: $78.59$51.29Koch Filter 20x25x6 Koch SG MERV 13 Air Filter L. Dewitt's SKU #: 102-718-309 | Mfr Part #: 102-718-309 Product Overview Koch Filter 20x25x6 Koch SG MERV 13 Air Filter — a Koch Filter Corporation product engineered for...102-718-309MSRP: $78.59$51.29 -
Koch Filter 20x25x6 Koch SG MERV 8 Air Filter
Koch Filter Corporation
MSRP: $61.01$39.82Koch Filter 20x25x6 Koch SG MERV 8 Air Filter L. Dewitt's SKU #: 102-718-009 | Mfr Part #: 102-718-009 Product Overview This Koch-brand replacement filter provides MERV 8 efficiency and is desined to fit Aprilaire...102-718-009MSRP: $61.01$39.82 -
Koch Filter 24x24 Kr-1 Diffusion Panel IW Air Filter
Koch Filter Corporation
MSRP: $39.97$26.96Koch Filter 24x24 Kr-1 Diffusion Panel IW Air Filter L. Dewitt's SKU #: 406-002-0119 | Mfr Part #: 406-002-0119 Product Overview Koch Filter 24x24 Kr-1 Diffusion Panel IW Air Filter � a Koch Filter Corporation product...406-002-0119MSRP: $39.97$26.96 -
Koch Filter 24x24 Mg600 (internal Wire) Air Filter
Koch Filter Corporation
MSRP: $52.87$35.67Koch Filter 24x24 Mg600 (internal Wire) Air Filter L. Dewitt's SKU #: 406-002-0121 | Mfr Part #: 406-002-0121 Product Overview Koch Filter 24x24 Mg600 (internal Wire) Air Filter � a Koch Filter Corporation product...406-002-0121MSRP: $52.87$35.67 -
Koch Filter 24x24x15 Spray Stop U-cube HC MERV 6-8 Air Filter
Koch Filter Corporation
MSRP: $81.30$63.21Koch Filter 24x24x15 Spray Stop U-cube HC MERV 6–8 Air Filter L. Dewitt's SKU #: 105-711-015 | Mfr Part #: 105-711-015 Product Overview Koch Filter 24x24x15 Spray Stop U-cube HC MERV 6–8 Air Filter — a Koch Filter...105-711-015MSRP: $81.30$63.21 -
Koch Filter 24x24x15 Spray Stop U-cube HE MERV 6-8 Air Filter
Koch Filter Corporation
MSRP: $63.62$49.45Koch Filter 24x24x15 Spray Stop U-cube HE MERV 6–8 Air Filter L. Dewitt's SKU #: 105-502-001 | Mfr Part #: 105-502-001 Product Overview Koch Filter 24x24x15 Spray Stop U-cube HE MERV 6–8 Air Filter — a Koch Filter...105-502-001MSRP: $63.62$49.45
