1 Inch Air Filters

Standard One Inch Thick Air Filters

View our selection of 1 inch thick furnace filters and air conditioner filters.  These are typically the standard air filters that fit into your heating and cooling equipment.  These air filters range from minimum efficiencies required to protect the equipment, to medium efficiencies.  Styles include fiberglass mesh furnace and air conditioner filters, to pleated media style filters.  Change your air filters on a regular schedule to reduce energy use and premature equipment failure.

Brands you will find here are Glasfloss, Air Guard, Nordic Pure, Permatron, and Electro-Breeze.

Displaying 11 to 20 (of 295 products)
  Item Name Price-
Glasfloss Pleated Filters 18 x 18 x 1 MERV 10 Case of 12
Glasfloss Pleated Filters 18 x 18 x 1 MERV 10 Case of 12
Pleated Furnace and A/C Filters 18 x 18 x 1 Glasfloss ZLP18181 Pleated Air Filter Features MERV 10 100% Synthetic Media Heavy-duty, Moisture...
$177.14
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Metal Filter Frame with 6 Orange Tacky Pads 24 x 36 x 1
Metal Filter Frame with 6 Orange Tacky Pads 24 x 36 x 1
Custom metal filter frame is constructed of 3/4" aluminum channel.  An expanded metal back holds filter media in place.  Filter media...
$188.14
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Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GDS20361
Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GDS20361
Standard One Inch Replacement Filters 20 x 36 x 1 Glasfloss GDS20361 Overview These disposable filters or (throw away filters) are usually the type...
$164.96
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Trane BAYFTAH21P Aftermarket MERV 8 Pleated Filters Case of 12
Trane BAYFTAH21P Aftermarket MERV 8 Pleated Filters Case of 12
Case of 12 Filters! Aftermarket BAYFTAH21P Trane Custom Size 1 inch MERV 8 Pleated Filters Nominal Size: 21-1/2 x 21 x 1 Actual Exact Size: 21-1/8...
$164.85
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Trane BAYFTAH23P Aftermarket MERV 8 Pleated Filters Case of 12
Trane BAYFTAH23P Aftermarket MERV 8 Pleated Filters Case of 12
Case of 12 Filters! Aftermarket BAYFTAH23P Trane Custom Size 1 inch MERV 8 Pleated Filters Nominal Size: 23-1/2 x 21 x 1 Actual Exact Size: 23-1/4...
$164.85
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Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GDS18361
Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GDS18361
Standard One Inch Replacement Filters 18 x 36 x 1 Glasfloss GDS18361 Overview These disposable filters or (throw away filters) are usually the type...
$162.12
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Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GDS12361
Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GDS12361
Standard One Inch Replacement Filters 12 x 36 x 1 Glasfloss GDS12361 Overview These disposable filters or (throw away filters) are usually the type...
$160.44
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Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GTASP08121
Glasfloss 1 Inch AC Furnace Air Filters Case of 12 GTASP08121
Standard One Inch Replacement Filters 8 X 12 x 1 Glasfloss GTASP08121 Overview These disposable filters or (throw away filters) are usually the type...
$157.61
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Glasfloss Pleated Filters 14 x 30 x 1 MERV 10 Case of 12
Glasfloss Pleated Filters 14 x 30 x 1 MERV 10 Case of 12
Pleated Furnace and A/C Filters 14 x 30 x 1 Glasfloss ZLP14301 Pleated Air Filter Features MERV 10 100% Synthetic Media Heavy-duty, Moisture...
$156.14
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Carrier 21-1/2x23-5/16x1 inch MERV 8 Pleated Filters Case of 12
Carrier 21-1/2x23-5/16x1 inch MERV 8 Pleated Filters Case of 12
Case of 12 Filters! Carrier Custom Size 1 inch MERV 8 Pleated Filters 21-1/2 x 23-5/16 x 1 See Important Ordering Notes Below: Custom filters are...
$154.34
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Displaying 11 to 20 (of 295 products)