18 by 20 Inch Filters


Warehouse Speed
AAF Flanders 118201 Fiberglass Air Filter 18 By 20 By 1 Inch
EBFA-8351
037947100180
Fiberglass Air Filter 18 Inch by 20 Inch by 1 inch. AAF filters are constructed with premium grade fiberglass media. More fibers ensure AAF filters have higher...
$58.80 $70.68
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Ships in 1 to 3 business days
3M FPL45-2PK-24 Filtrete Basic Flat Panel MPR100 Merv-2 Air Filter 18 By 20 By 1 Inch
DGKA-0142
051141387659
Basic Flat Panel MPR100 Merv-2 Air Filter 18 By 20 By 1 Inch. Filtrete basic air filters capture large airborne particles. These non-electrostatic home air...
$141.60 $170.16
Rapid Ship
Ships in 1 to 3 business days
3M 9845-4PK Filtrete Allergen And Dust Defense MPR-1000 Merv-11 Air Filter 18 By 20 By 1 Inch
UKAB-1216
051141909783
Micro Allergen Defense Air Filters 18 Inch by 20 Inch by 1 Inch help reduce allergens in your air by turning your central heating and cooling system into a...
$68.40 $90.36
Alternate Warehouse
Ships in 4 to 7 business days
AAF Flanders 10055.011820 EZ Flow II Fiberglass 30 Day Low Resistance Air Filter 18 By 20 By 1 Inch
UJLB-7877
031949150365
18 inches x 20 inches x 1 inch, ez flow ii spun fiberglass disposable furnace filter, flat panel, no metal media retainers, up to merv rating 4, 30 day filter,...
$66.00 $81.48
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Ships in 4 to 7 business days
AAF Flanders 84858.011820 Naturalaire Standard Pleated Merv-8 90 Day Electrostatic Air Filter 8 By 20 By 1 Inch
ULCB-6281
031949145903
18 inch by 20 inch by 1 inch Electrostatic Filter. The NaturalAire Standard has an ASHRAE 52.2 rating of MERV 8. This filter is convenient to use and easy to...
$93.60 $113.88
Alternate Warehouse
Ships in 4 to 7 business days
AAF Flanders 85256.011820 Naturalaire Microparticle Micro Particle Pleated Merv-10 90 Day Electrostatic Air Filter 18 By 20 By 1 Inch
UKLB-9587
031949553128
18 inches x 20 inches x 1 inch, naturalaire micro particle pleated furnace filter, electrostatically charged, 100% synthetic wire backed media, clay coated...
$92.40 $111.54
Alternate Warehouse
Ships in 4 to 7 business days
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  • $4.9
  • $17.1
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