18 by 20 Inch Filters

AAF International 118201 Fiberglass Air Filter 18 Inch By 20 Inch By 1 Inch
SKU: EBFA-8351
UPC: 037947196275
$27.60/case = $2.30/each

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Ships in 1 to 2 Weekdays

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...


Protect Plus 218201 True Blue Basic Protection Pleated Air Filter 18 Inch By 20 Inch By 1 Inch
SKU: FFGA-6601
UPC: 641590014796
$60.00/case = $5.00/each

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Ships in 1 to 2 Weekdays

Basic Protection Pleated Air Filter 18 Inch by 20 Inch by by 1 Inch is 23 times more effective than fiberglass filters. Filters airborne allergens including...


Flanders 10055.011820 EZ Flow II 18 Inch By 20 Inch By 1 Inch Fiberglass Air Filter
SKU: UJLB-7877
UPC: 031949150365
$36.00/case = $3.00/each

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Ships in 3 to 4 Weekdays

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...


Flanders 84858.011820 Naturalaire Standard 18 Inch By 20 Inch By 1 Inch Electrostatic Filter
SKU: ULCB-6281
UPC: 031949145903
$58.80/case = $4.90/each

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Ships in 3 to 4 Weekdays

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...


Flanders 10355.012018 Double Grill 20 Inch By 18 Inch By 1 Inch Double Reinforced Filter
SKU: UKAB-1875
UPC: 031949150143
$60.00/case = $5.00/each

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Ships in 3 to 4 Weekdays

20 Inch by 18 Inch by 1 Inch Double Reinforced Filter. The Heavy Duty Spun Glass is a continuous filament spun glass. The frame is made with one continuous...


Flanders 85156.011820 MERV10 18 Inch By 20 Inch By 1 Inch
SKU: UKAB-1210
UPC: 031949534004
$109.20/case = $9.10/each

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Ships in 3 to 4 Weekdays

MERV10 18 inch by 20 inch by 1 inch Naturalaire Microparticle electro statically charged pleated air conditioning and furnace filters. 100% synthetic wire...


3M 9845-4PK Filtrete Micro Allergen Defense Filter 18 Inch By 20 Inch By 1 Inch
SKU: UKAB-1216
UPC: 051141909783
$66.80/case = $16.70/each

Special Order
Ships in 4 to 6 Weekdays

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...


Flanders 85256.011820 18X20x1pleat Nat Filter
SKU: UKLB-9587
UPC: 031949553128
$56.40/case = $9.40/each

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Ships in 3 to 4 Weekdays

18 inches x 20 inches x 1 inch, NaturalAire Micro Particle Pleated Furnace Filter, Electrostatically Charged, 100% Synthetic Wire Backed Media, Clay Coated...