1-20 of 17,278 results
  • 20x20x4 MERV 11 ( MPR 1000 FPR...
    The 20x20x4 MERV 11 HVAC air filter is manufactured for excellent filtration t... The 20x20x4 MERV 11 HVAC air filter is manufactured for excellent filtration to block and capture allergens pollen and other particles while maintaining a low pressure drop. The MERV 11 AC filters deliver a stronger efficient and effective filtration... more
  • 2 Pack of 20x20x4 MERV 13 Plea...
    The Glasfloss Z-Line Series MR-13 pleated air filter features the latest in me... The Glasfloss Z-Line Series MR-13 pleated air filter features the latest in media technology to achieve MERV 13 while maintaining low pressure drop and good service life. The new Z-Line Series MR-13 pleat is optimized for “LEED� compliance in new... more
  • 2 Pack of 16x25x4 MERV 10 Plea...
    The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 16x20x4 MERV 10 Plea...
    The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 20x20x4 MERV 11 Plea...
    The 4 inch Glasfloss MERV 11 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 11 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 18x24x4 MERV 10 Plea...
    The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 18x24x4 MERV 11 Plea...
    The 4 inch Glasfloss MERV 11 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 11 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 16x25x4 MERV 13 Plea...
    2 Pack of 16x25x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 2 Pack of 16x25x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4 â—� Filtration Rating: MERV 13. Comparable to 3M/Filtrete MPR rating 1900 to 2200 or FPR rating 10. â—� Protects from pollen dirt dust pet dander... more
  • 2 Pack of 20x25x4 MERV 11 Plea...
    2 Pack of 20x25x4 MERV 11 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 2 Pack of 20x25x4 MERV 11 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 â—� Filtration Rating: MERV 11. Comparable to 3M/Filtrete MPR rating 1000 to 1200 or FPR rating 7. â—� Effectively reduces pollen dust pet dander... more
  • 2 Pack of 20x25x4 MERV 13 Plea...
    2 Pack of 20x25x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 2 Pack of 20x25x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 â—� Filtration Rating: MERV 13. Comparable to 3M/Filtrete MPR rating 1900 to 2200 or FPR rating 10. â—� Protects from pollen dirt dust pet dander... more
  • 2 Pack of 20x25x4 MERV 10 Plea...
    The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 16x24x4 MERV 10 Plea...
    The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 16x25x4 MERV 11 Plea...
    The 4 inch Glasfloss MERV 11 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 11 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 2 Pack of 16x20x4 MERV 13 Plea...
    2 Pack of 16x20x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 2 Pack of 16x20x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 19-1/2 x 3-3/4 â—� Filtration Rating: MERV 13. Comparable to 3M/Filtrete MPR rating 1900 to 2200 or FPR rating 10. â—� Protects from pollen dirt dust pet dander... more
  • 2 Pack of 20x20x4 MERV 10 Plea...
    The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filt... The 4 inch Glasfloss MERV 10 pleated allergen reduction electrostatic air filter will enhance the air quality in your home or business. This electrostatic air filter attracts and captures airborne dust pollen mold spores pet dander smog dust mite... more
  • 16x24x4 MERV 11 ( MPR 1000 FPR...
    The 16x24x4 MERV 11 HVAC air filter is manufactured for excellent filtration t... The 16x24x4 MERV 11 HVAC air filter is manufactured for excellent filtration to block and capture allergens pollen and other particles while maintaining a low pressure drop. The MERV 11 AC filters deliver a stronger efficient and effective filtration... more
  • Air Filter Furnace Purolator K...
    Purolator Key Pleat Air Filter supplied by Sterling Seal & Supply is a standar... Purolator Key Pleat Air Filter supplied by Sterling Seal & Supply is a standard capacity pleated filter available in 1 2 or 4 depths and several standard face sizes to accommodate most system requirements. A seven-strap die cut is located on the... more
  • Air Filter Furnace Purolator K...
    Purolator Key Pleat Air Filter supplied by Sterling Seal & Supply is a standar... Purolator Key Pleat Air Filter supplied by Sterling Seal & Supply is a standard capacity pleated filter available in 1 2 or 4 depths and several standard face sizes to accommodate most system requirements. A seven-strap die cut is located on the... more
  • 6 Pack of 16x20x4 MERV 13 Plea...
    6 Pack of 16x20x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 6 Pack of 16x20x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 19-1/2 x 3-3/4 â—� Filtration Rating: MERV 13. Comparable to 3M/Filtrete MPR rating 1900 to 2200 or FPR rating 10. â—� Protects from pollen dirt dust pet dander... more
  • 6 Pack of 16x25x4 MERV 13 Plea...
    6 Pack of 16x25x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 6 Pack of 16x25x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4 â—� Filtration Rating: MERV 13. Comparable to 3M/Filtrete MPR rating 1900 to 2200 or FPR rating 10. â—� Protects from pollen dirt dust pet dander... more
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