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...16217Now: $8.51Was: $10.84 -
On Sale
18x20x1 Glasfloss Fiberglass Disposable Air Filter GDS18201 12/Case
Glasfloss Industries
Now: $4.02Was: $5.43Series/Model: GDS12 per BoxGDS Series Disposable Panel Filter Details: Panel Air Filter Type Disposable Nominal Width 18 Inch Nominal Height 20 Inch Nominal Depth 1 Inch Actual Size 17-5/8 in W x 19-5/8 in H x 3/4 in D Media Fiberglass Media Area 2.5...3550Now: $4.02Was: $5.43 -
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 Filters Details: Air Filter Type Pleated Nominal Width 18 Inch Nominal Height 20 Inch Nominal Depth 1 Inch Actual Size 17-1/2 in W x 19-1/2 in H x 7/8 in D Media Synthetic Fiber Media Area 4.32...3598Now: $8.83Was: $11.26 -
On Sale
18x20x2 Glasfloss Pleated Air Filter #40 ZLP18202 12/Case
Glasfloss Industries
Now: $9.00Was: $16.92Series/Model: Series ZL12 per BoxZ-Line Series Pleated Filters Details: Air Filter Type Pleated Nominal Width 18 Inch Nominal Height 20 Inch Nominal Depth 2 Inch Actual Size 17-1/2 in W x 19-1/2 in H x 1-3/4 in D Media Synthetic Fiber Media Area 7.2...3599Now: $9.00Was: $16.92 -
On Sale
18x24x1 Glasfloss Fiberglass Disposable Air Filter GDS18241 12/Case
Glasfloss Industries
Now: $3.31Was: $5.51Series/Model: GDS12 per BoxGDS Series Disposable Panel Filter Details: Panel Air Filter Type Disposable Nominal Width 18 Inch Nominal Height 24 Inch Nominal Depth 1 Inch Actual Size 17-5/8 in W x 23-5/8 in H x 3/4 in D Media Fiberglass Media Area 3...3553Now: $3.31Was: $5.51 -
On Sale
18x24x1 Glasfloss Pleated Air Filter #40 ZLP18241 12/Case
Glasfloss Industries
Now: $6.84Was: $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...3600Now: $6.84Was: $11.40 -
On Sale
18x24x2 Glasfloss Fiberglass Disposable Air Filter GDS18242 12/Case
Glasfloss Industries
Now: $3.44Was: $5.74Series/Model: GDS12 per BoxGDS Series Disposable Panel Filter Details: Panel Air Filter Type Disposable Nominal Width 18 Inch Nominal Height 24 Inch Nominal Depth 2 Inch Actual Size 17-5/8 in W x 23-5/8 in H x 1-5/8 in D Media Fiberglass Media Area 3...3554Now: $3.44Was: $5.74 -
On Sale
18x24x2 Glasfloss Pleated Air Filter #40 ZLP18242 12/Case
Glasfloss Industries
Now: $9.84Was: $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: $9.84Was: $16.39 -
On Sale
18x25x1 Glasfloss Fiberglass Disposable Air Filter GDS18251 12/Case
Glasfloss Industries
Now: $3.48Was: $5.80Series/Model: GDS12 per BoxGDS Series Disposable Panel Filter Details: Panel Air Filter Type Disposable Nominal Width 18 Inch Nominal Height 25 Inch Nominal Depth 1 Inch Actual Size 17-5/8 in W x 24-5/8 in H x 3/4 in D Media Fiberglass Media Area 3.13...3555Now: $3.48Was: $5.80 -
On Sale
18x30x1 Glasfloss Fiberglass Disposable Air Filter GDS18301 12/Case
Glasfloss Industries
Now: $6.59Was: $10.97Series/Model: Series GDS12 per BoxGDS Series Disposable Panel Filter Details: Panel Air Filter Type Disposable Nominal Width 18 Inch Nominal Height 30 Inch Nominal Depth 1 Inch Actual Size 17-5/8 in W x 29-5/8 in H x 3/4 in D Media Fiberglass Media Area...3556Now: $6.59Was: $10.97 -
On Sale
18x30x1 Glasfloss Pleated Air Filter #40 ZLP18301 12/Case
Glasfloss Industries
Now: $14.00Was: $25.31Series/Model: Series ZL12 per BoxZ-Line Series Pleated Filters Details: Air Filter Type Pleated Nominal Width 18 Inch Nominal Height 30 Inch Nominal Depth 1 Inch Actual Size 17-5/8 in W x 29-5/8 in H x 7/8 in D Media Synthetic Fiber Media Area 7.2...3603Now: $14.00Was: $25.31 -
On Sale
18x36x1 Glasfloss Fiberglass Disposable Air Filter GDS18361 12/Case
Glasfloss Industries
Now: $9.00Was: $15.00Series/Model: Series GDS12 per BoxGDS Series Disposable Panel Filter Details: Panel Air Filter Type Disposable Nominal Width 18 Inch Nominal Height 36 Inch Nominal Depth 1 Inch Actual Size 17-5/8 in W x 35-5/8 in H x 3/4 in D Media Fiberglass Media Area...3557Now: $9.00Was: $15.00 -
On Sale
18x36x1 Glasfloss Pleated Air Filter #40 ZLPSP18361
Glasfloss Industries
Now: $30.00Was: $58.17Series/Model: Series ZLZ-Line Series Pleated Filters Details: Air Filter Type Pleated Nomianl Width 18 Inch Nominal Height 36 Inch Nominal Depth 1 Inch Actual Size 17-1/2 in W x 35-3/4 in H x 7/8 in D Media Synthetic Fiber Number of Pleats 14 per...6295Now: $30.00Was: $58.17 -
On Sale
19-1/8x19-3/8x1 Glasfloss Fiberglass Disposable Grille Filter GDSG20201 for Grille Size 20x20x1
Glasfloss Industries
Now: $3.80Was: $6.34Series/Model: Series GDS 12 per Box Actual Size 19-1/8 in W x 19-3/8 in H x 3/4 in D MERV: Not Rated GDS Series Disposable Panel Filter Panel Air Filter Type Disposable Media Fiberglass Heavy Duty One Piece Box Frame Construction Residential and...3625Now: $3.80Was: $6.34 -
On Sale
19-3/4x21-1/4x1 Glasfloss Fiberglass Disposable Air Filter Exact GTASP19M21D1E 12/Case
Glasfloss Industries
Now: $11.76Was: $19.60Series/Model: Series GDS Details: Sold by the Each Minimum Purchase of 12 12 per Box Panel Air Filter Type Disposable Actual Size 19-3/4 in W x 21-1/4 in H x 1 in D MERV: Not Rated Media Fiberglass Media Area 1.77 Square Foot Flow Rate 300...5374Now: $11.76Was: $19.60 -
On Sale
20x20x1 Glasfloss Fiberglass Disposable Air Filter GDS20201 12/Case
Glasfloss Industries
Now: $3.05Was: $5.09Series/Model: GDS12 per boxGDS Series Disposable Panel Filter Details: Panel Air Filter Type Disposable Nominal Width 20 Inch Nominal Height 20 Inch Nominal Depth 1 Inch Actual Size 19-5/8 in W x 19-5/8 in H x 3/4 in D Media Fiberglass Media Area 2.77...3558Now: $3.05Was: $5.09