25x20x4
Show Filters
-
Koch 116-705-002 – 25x20x4 Steel Air Filter Frame
Please call for pricing or request a quote.
Request Quote -
-
25x20x4 MicroMAX Air Filter – MERV 14, Galv Frame, Koch 120-730-002
$748.92 per 3 pcs ($249.64 each) -
25x20x4 MicroMAX Edge Air Filter – MERV 11, Box Style, Koch 120-602-102
Please call for pricing or request a quote.
Request Quote -
25x20x4 MicroMAX Edge Air Filter – MERV 15, Box Style, Koch 120-600-102
Please call for pricing or request a quote.
Request Quote -
-
25x20x4 MicroMAX Air Filter – MERV 11, Galv Frame, Koch 120-732-002
$670.41 per 3 pcs ($223.47 each) -
25x20x4 MicroMAX Air Filter – MERV 11, Single Header, Koch 120-722-003
$864.57 per 3 pcs ($288.19 each) -
-
25x20x4 MicroMAX Air Filter – MERV 13, Galv Frame, Koch 120-731-002
$710.13 per 3 pcs ($236.71 each) -
25x20x4 MicroMAX Air Filter – MERV 13, Single Header, Koch 120-721-003
$827.82 per 3 pcs ($275.94 each) -
25x20x4 MicroMAX Air Filter – MERV 14, Single Header, Koch 120-720-003
$889.62 per 3 pcs ($296.54 each) -
Extended Surface Multi-Cell Rigid Filters
$839.62 per 2 pcs ($419.81 each) Add to Cart Request Quote25x20x4 Extended Surface Air Filter – MERV 11, 60-65%, Koch 110-502-404
$839.62 per 2 pcs ($419.81 each) -
25x20x4 Multi-Pleat High-Temperature Air Filter – MERV 8, Koch 102-730-017
$572.82 per 6 pcs ($95.47 each) -
Koch 102-500-030 – 25x20x4 Extended Surface Pleated Air Filter, MERV 11
$179.52 per 6 pcs ($29.92 each) -
Koch 102-499-030 – 25x20x4 Extended Surface Pleated Air Filter, MERV 11
$154.14 per 6 pcs ($25.69 each) -
-
25x20x4 High-Capacity Multi-Pleat Air Filter – XL8, Koch 102-701-030
$139.86 per 6 pcs ($23.31 each) -
-