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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.




Product Image Item Name- Price
Glasfloss Pleated Filters 18 x 18 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 18 x 18 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 18 x 18 x 1 Glasfloss ZLP18181 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$86.73

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Glasfloss Pleated Filters 18 x 20 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 18 x 20 x 1 MERV 8 Case of 12

Glasfloss Pleated Furnace and A/C Filters 18 x 20 x 1 Glasfloss ZLP18201 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty,...
$86.73

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Glasfloss Pleated Filters 18 x 24 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 18 x 24 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 18 x 24 x 1 Glasfloss ZLP18241 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$68.82

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Glasfloss Pleated Filters 18 x 25 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 18 x 25 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 18 x 25 x 1 Glasfloss ZLP18251 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$99.27

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Glasfloss Pleated Filters 18 x 30 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 18 x 30 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 18 x 30 x 1 Glasfloss ZLP18301 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$117.11

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Glasfloss Pleated Filters 20 x 20 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 20 x 20 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 20 x 20 x 1 Glasfloss ZLP20201 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$59.98

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Glasfloss Pleated Filters 20 x 22 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 20 x 22 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 20 x 22 x 1 Glasfloss ZLP20221 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$85.68

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Glasfloss Pleated Filters 20 x 24 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 20 x 24 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 20 x 24 x 1 Glasfloss ZLP20241 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$71.48

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Glasfloss Pleated Filters 20 x 25 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 20 x 25 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 20 x 25 x 1 Glasfloss ZLP20251 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$66.39

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Glasfloss Pleated Filters 20 x 30 x 1 MERV 8 Case of 12

Glasfloss Pleated Filters 20 x 30 x 1 MERV 8 Case of 12

Pleated Furnace and A/C Filters 20 x 30 x 1 Glasfloss ZLP20301 Pleated Air Filter Features MERV 8 100% Synthetic Media Heavy-duty, Moisture...
$92.06

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