Replacement Filters
Replace air filters on a regular basis to keep your air conditioning system running efficiently as well as removing allergens to improve your indoor air quality.
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Disposable Filters
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Pleated Air Filters
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Media Rolls
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Return Grille Air Filters
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Air Cleaner Filters
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Electrostatic Filters
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Adjustable Filters
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On Sale
18x18x2 Glasfloss Pleated Air Filter #40 ZLP18182 12/Case
Glasfloss Industries
Now: $8.51Was: $10.84Series/Model: ZLThe Glasfloss Z-Line ® Series pleated filters offer improved performance for virtually every application. All Glasfloss Z-Line ® pleated filters feature fibers which do not absorb moisture and will not support microbial growth.Details:Air...16217Now: $8.51Was: $10.84 -
18x20x1 Glasfloss Fiberglass Disposable Air Filter GDS18201 12/Case
Glasfloss Industries
$5.70Series/Model: GDS12 per BoxGDS Series Disposable Panel FilterDetails:Panel Air FilterType DisposableOverall Width 18 InchOverall Height 20 InchOverall Depth 1 InchMedia FiberglassMedia Area 2.5 Square FootFlow Rate 300 FPMResistance 0.09 Inch WC...3550$5.70 -
On Sale
18x20x1 Glasfloss Pleated Air Filter #40 ZLP18201 12/Case
Glasfloss Industries
Now: $8.83Was: $11.26Series/Model: Series ZLP12 per BoxZ-Line Series Pleated FiltersDetails:Air FilterType PleatedOverall Width 18 InchOverall Height 20 InchOverall Depth 1 InchMedia Synthetic FiberMedia Area 4.32 Square FootNumber of Pleats 14 per FootMER Value 10Flow Rate...3598Now: $8.83Was: $11.26 -
On Sale
18x20x2 Glasfloss Pleated Air Filter #40 ZLP18202 12/Case
Glasfloss Industries
Now: $13.53Was: $16.92Series/Model: Series ZL12 per BoxZ-Line Series Pleated FiltersDetails:Air FilterType PleatedOverall Width 18 InchOverall Height 20 InchOverall Depth 2 InchMedia Synthetic FiberMedia Area 7.2 Square FootNumber of Pleats 10 per FootMER Value 10Flow Rate...3599Now: $13.53Was: $16.92 -
On Sale
18x24x1 Glasfloss Fiberglass Disposable Air Filter GDS18241 12/Case
Glasfloss Industries
Now: $4.26Was: $5.51Series/Model: GDS12 per BoxGDS Series Disposable Panel FilterDetails:Panel Air FilterType DisposableOverall Width 18 InchOverall Height 24 InchOverall Depth 1 InchMedia FiberglassMedia Area 3 Square FootFlow Rate 300 FPMResistance 0.09 Inch WC (Initial),...3553Now: $4.26Was: $5.51 -
On Sale
18x24x1 Glasfloss Pleated Air Filter #40 ZLP18241 12/Case
Glasfloss Industries
Now: $8.94Was: $11.40Series/Model: ZL12 per BoxZ-Line Series Pleated FiltersThe Glasfloss Z-Line ® Series pleated filters offer improved performance for virtually every application. All Glasfloss Z-Line ® pleated filters feature fibers which do not absorb moisture and will...3600Now: $8.94Was: $11.40 -
On Sale
18x24x2 Glasfloss Fiberglass Disposable Air Filter GDS18242 12/Case
Glasfloss Industries
Now: $4.40Was: $5.74Series/Model: GDS12 per BoxGDS Series Disposable Panel FilterDetails:Panel Air FilterType DisposableOverall Width 18 InchOverall Height 24 InchOverall Depth 2 InchMedia FiberglassMedia Area 3 Square FootFlow Rate 500 FPMResistance 0.28 Inch WC (Initial),...3554Now: $4.40Was: $5.74 -
On Sale
18x24x2 Glasfloss Pleated Air Filter #40 ZLP18242 12/Case
Glasfloss Industries
Now: $13.11Was: $16.39Series/Model: ZLP12 per BoxZ-Line Series Pleated FiltersThe Glasfloss Z-Line Series pleated filters offer improved performance for virtually every application. All Glasfloss Z-Line pleated filters feature fibers which do not absorb moisture and will not...3601Now: $13.11Was: $16.39 -
On Sale
18x25x1 Glasfloss Fiberglass Disposable Air Filter GDS18251 12/Case
Glasfloss Industries
Now: $4.45Was: $5.80Series/Model: GDS12 per BoxGDS Series Disposable Panel FilterDetails:Panel Air FilterType DisposableOverall Width 18 InchOverall Height 25 InchOverall Depth 1 InchMedia FiberglassMedia Area 3.13 Square FootFlow Rate 300 FPMResistance 0.09 Inch WC...3555Now: $4.45Was: $5.80 -
On Sale
18x30x1 Glasfloss Fiberglass Disposable Air Filter GDS18301 12/Case
Glasfloss Industries
Now: $8.42Was: $10.97Series/Model: Series GDS12 per BoxGDS Series Disposable Panel FilterDetails:Panel Air FilterType DisposableOverall Width 18 InchOverall Height 30 InchOverall Depth 1 InchMedia FiberglassMedia Area 3.75 Square FootFlow Rate 300 FPMResistance 0.09 Inch...3556Now: $8.42Was: $10.97 -
On Sale
18x30x1 Glasfloss Pleated Air Filter #40 ZLP18301 12/Case
Glasfloss Industries
Now: $19.90Was: $25.31Series/Model: Series ZL12 per BoxZ-Line Series Pleated FiltersDetails:Air FilterType PleatedOverall Width 18 InchOverall Height 30 InchOverall Depth 1 InchMedia Synthetic FiberMedia Area 7.2 Square FootNumber of Pleats 14 per FootMER Value 10Flow Rate...3603Now: $19.90Was: $25.31 -
On Sale
18x36x1 Glasfloss Fiberglass Disposable Air Filter GDS18361 12/Case
Glasfloss Industries
Now: $11.54Was: $15.00Series/Model: Series GDS12 per BoxGDS Series Disposable Panel FilterDetails:Panel Air FilterType DisposableOverall Width 18 InchOverall Height 36 InchOverall Depth 1 InchMedia FiberglassMedia Area 4.5 Square FootFlow Rate 300 FPMResistance 0.09 Inch...3557Now: $11.54Was: $15.00 -
On Sale
18x36x1 Glasfloss Pleated Air Filter #40 ZLPSP18361
Glasfloss Industries
Now: $45.65Was: $58.17Series/Model: Series ZLZ-Line Series Pleated FiltersDetails:Air FilterType PleatedOverall Width 18 InchOverall Height 36 InchOverall Depth 1 InchMedia Synthetic FiberNumber of Pleats 14 per FootMER Value 10Flow Rate 300 FPMResistance 0.21 Inch...6295Now: $45.65Was: $58.17 -
On Sale
19-1/8x19-3/8x1 Glasfloss Fiberglass Disposable Grille Filter GDSG20201 for Grille Size 20x20x1
Glasfloss Industries
Now: $4.87Was: $6.34Series/Model: Series GDS12 per BoxGDS Series Disposable Panel Filter Grille size for 20" x 20" x 1" Resources & DocumentsManufacturer's WebsiteAdditional Reference Safety InformationWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.This...3625Now: $4.87Was: $6.34 -
On Sale
19-3/4x21-1/4x1 Glasfloss Fiberglass Disposable Air Filter Exact GTASP19M21D1E 12/Case
Glasfloss Industries
Now: $15.05Was: $19.60Series/Model: Series GDS12 per BoxGDS Series Disposable Panel Filter Resources & DocumentsManufacturer's WebsiteAdditional Reference Safety InformationWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.This product and other products on our...5374Now: $15.05Was: $19.60 -
On Sale
20x20x1 Glasfloss Fiberglass Disposable Air Filter GDS20201 12/Case
Glasfloss Industries
Now: $3.91Was: $5.09Series/Model: GDS12 per boxGDS Series Disposable Panel FilterDetails:Panel Air FilterType DisposableOverall Width 20 InchOverall Height 20 InchOverall Depth 1 InchMedia FiberglassMedia Area 2.77 Square FootFlow Rate 300 FPMResistance 0.09 Inch WC...3558Now: $3.91Was: $5.09