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  • 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 18x24x4 MERV 13 Plea...
    2 Pack of 18x24x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 2 Pack of 18x24x4 MERV 13 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 17-1/2 x 23-1/2 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
  • 18x24x4 Air Filter MERV 11 Com...
    AIRX FILTERS WICKED CLEAN AIR presents the 18x24x4 Air Filter MERV 11 Comparab... AIRX FILTERS WICKED CLEAN AIR presents the 18x24x4 Air Filter MERV 11 Comparable to MPR 1000 MPR 1200 & FPR 7 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC Premium USA Made 18x24x4 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR. a superior... more
  • 18x24x4 Air Filter Odor Elimin...
    AIRX FILTERS WICKED CLEAN AIR presents the 18x24x4 Air Filter Odor Eliminator ... AIRX FILTERS WICKED CLEAN AIR presents the 18x24x4 Air Filter Odor Eliminator Carbon Filter MERV 8 Comparable to MPR 700 & FPR 5 AC HVAC Premium USA Made 18x24x4 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR. 6 Pack a superior choice for enhancing... more
  • 18x24x4 Air Filter MERV 13 Com...
    AIRX FILTERS WICKED CLEAN AIR presents the 18x24x4 Air Filter MERV 13 Comparab... AIRX FILTERS WICKED CLEAN AIR presents the 18x24x4 Air Filter MERV 13 Comparable to MPR 1500 - 2200 & FPR 9 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC AC Premium USA Made 18x24x4 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR. a... more
  • 6 Pack of 18x24x4 MERV 10 Plea...
    6 Pack of 18x24x4 MERV 10 Pleated 4 Inch Air Filters by Glasfloss. Actual Size... 6 Pack of 18x24x4 MERV 10 Pleated 4 Inch Air Filters by Glasfloss. Actual Size: 17-1/2 x 23-1/2 x 3-3/4 â—� Filtration Rating: MERV 10. Comparable to 3M/Filtrete MPR rating 600 to 800 or FPR rating 5 to 6. â—� Protects from Lint Dust Pet Dander Pollen... more
  • 18x24x4 MERV 10 Pleated AC Fur...
    For excellent filtration reliability and performance the 18x24x4 Glasfloss ZL ... For excellent filtration reliability and performance the 18x24x4 Glasfloss ZL MERV 10 air filter can be used in HVAC systems for your home or business. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the... more
  • Nordic Pure 18x24x4 (3 5/8) Pl...
    Nordic Pure 18x24x4 Pleated Air Filters MERV 13 plus carbon are made of electr... Nordic Pure 18x24x4 Pleated Air Filters MERV 13 plus carbon are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home.... more
  • Nordic Pure 18x24x4 (3 5/8) Pl...
    Nordic Pure 18x24x4 Pleated Air Filters MERV 8 plus carbon are made of a dual ... Nordic Pure 18x24x4 Pleated Air Filters MERV 8 plus carbon are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air.... more
  • Filterbuy 18x24x4 MERV 13 Plea...
    The Filterbuy replacement air filter 18x24x4 (actual measurements: 17.38 x 23.... The Filterbuy replacement air filter 18x24x4 (actual measurements: 17.38 x 23.38 x 3.63 ) ensures that your furnace air conditioner heat pump or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.... more
  • Nordic Pure 18x24x4 (3 5/8) Pl...
    Nordic Pure 18x24x4 Pleated Air Filters MERV 13 are made of electrostatically ... Nordic Pure 18x24x4 Pleated Air Filters MERV 13 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter lint household... more
  • 18x24x4 (3 5/8) Pure Carbon Pl...
    Pure Carbon Pleated Odor Reduction Air Filters by Nordic Pure is made with a d... Pure Carbon Pleated Odor Reduction Air Filters by Nordic Pure is made with a durable non-woven polyester base media infused with naturally derived charcoal created to eliminate odors in your office or home. Our pleated design provides three times as... more
  • Nordic Pure 18x24x4 (3 5/8) Pl...
    Nordic Pure 18x24x4 Pleated Air Filters MERV 7 plus carbon are made of electro... Nordic Pure 18x24x4 Pleated Air Filters MERV 7 plus carbon are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home. Odorous... more
  • Nordic Pure 18x24x4 (3 5/8) Pl...
    Nordic Pure 18x24x4 Pleated Air Filters MERV 12 are made of electrostatically ... Nordic Pure 18x24x4 Pleated Air Filters MERV 12 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter lint household... more
  • Filterbuy 18x24x4 MERV 11 Plea...
    The Filterbuy replacement air filter 18x24x4 (actual measurements: 17.38 x 23.... The Filterbuy replacement air filter 18x24x4 (actual measurements: 17.38 x 23.38 x 3.63 ) ensures that your furnace air conditioner heat pump or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.... more
  • Nordic Pure 18x24x4 (3 5/8) Pl...
    Nordic Pure 18x24x4 Pleated Air Filters MERV 15 are made of electrostatically ... Nordic Pure 18x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter lint household... more
  • Nordic Pure 18x24x4 (3 5/8) Fu...
    Nordic Pure 18x24x4 Pleated Air Filters MERV 10 plus carbon are made of a dual... Nordic Pure 18x24x4 Pleated Air Filters MERV 10 plus carbon are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air.... more
  • Filterbuy 18x24x4 MERV 8 Pleat...
    The Filterbuy replacement air filter 18x24x4 (actual measurements: 17.38 x 23.... The Filterbuy replacement air filter 18x24x4 (actual measurements: 17.38 x 23.38 x 3.63 ) ensures that your furnace air conditioner heat pump or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle.... more
  • Nordic Pure 18x24x4 (3 5/8) Pl...
    Nordic Pure 18x24x4 MERV 15 Plus Carbon air filters are made of electrostatica... Nordic Pure 18x24x4 MERV 15 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home. Odorous gases... more
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