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18 by 20 Inch Filters


Warehouse Speed
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... read more
$75.20 $85.56
Alternate Warehouse
Ships in 4 to 7 business days
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,... read more
$50.40 $63.48
Backup Warehouse
Ships in 4 to 7 business days
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... read more
$75.60 $89.88
Alternate Warehouse
Ships in 4 to 7 business days
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... read more
$72.00 $82.74
Alternate Warehouse
Ships in 4 to 7 business days
Product filters
Product Type
Brand
Manufacturer
Warehouse
Price
$  –  $
  • $4.2
  • $18.8
Size
Material