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18x20x1

Air Filter

18x20x1 Accumulair Furnace Filter APR 2250 18x20x1 Accumulair Furnace Filter APR 2250 18x20x1 Accumulair Furnace Filter Merv 13 18x20x1 Accumulair Furnace Filter Merv 13 18x20x1 Accumulair Furnace Filter Merv 11 18x20x1 Accumulair Furnace Filter Merv 11 18x20x1 Accumulair Furnace Filter Merv 8 18x20x1 Accumulair Furnace Filter Merv 8 18x20x1 Accumulair Furnace Filter Merv 6 18x20x1 Accumulair Furnace Filter Merv 6 18x20x1 Accumulair Furnace Filter Carbon 18x20x1 Accumulair Furnace Filter Carbon

Efficiency

APR 2250
APR 2250
APR 1950
APR 1950
APR 1550
APR 1550
APR 650
APR 650
APR 450
APR 450
Carbon
Carbon

Equivalent

N/A
N/A
Merv 13
Merv 13
Merv 11
Merv 11
Merv 8
Merv 8
Merv 6
Merv 6
N/A
N/A

Performance

Best
Best
Best
Best
Better
Better
Good
Good
Basic
Basic
N/A
N/A

Actual Size

17.5x19.5x1
Actual Size
17.5x19.5x1
Actual Size
17.75x19.75x1
Actual Size
17.75x19.75x1
Actual Size
17.75x19.75x1
Actual Size
17.5x19.5x1
Actual Size

Brand

Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
Accumulair

Item #

FI18X20
FI18X20A
FD18X20
FD18X20A
FA18X20
FA18X20A
FB18X20
FB18X20A
FC18X20
FC18X20A
FO18X20X1
FO18X20X1A

Purchase

$17.99

Min Qty: 2

$17.99

Min Qty: 2

$15.99

Min Qty: 2

$15.99

Min Qty: 2

$12.99

Min Qty: 2

$12.99

Min Qty: 2

$8.99

Min Qty: 2

$8.99

Min Qty: 2

$5.99

Min Qty: 2

$5.99

Min Qty: 2

$13.99

Min Qty: 2

$14.99

Min Qty: 2

Product Page

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18x20x1

Air Filter

Efficiency: APR 2250
Equivalent: N/A
Performance: Best
Actual Size: 17.5x19.5x1
Brand: Accumulair
Item # FI18X20

$17.99

Min Qty: 2
Efficiency: APR 2250
Equivalent: N/A
Performance: Best
Actual Size: Actual Size
Brand: Accumulair
Item # FI18X20A

$17.99

Min Qty: 2
Efficiency: APR 1950
Equivalent: Merv 13
Performance: Best
Actual Size: 17.5x19.5x1
Brand: Accumulair
Item # FD18X20

$15.99

Min Qty: 2
Efficiency: APR 1950
Equivalent: Merv 13
Performance: Best
Actual Size: Actual Size
Brand: Accumulair
Item # FD18X20A

$15.99

Min Qty: 2
Efficiency: APR 1550
Equivalent: Merv 11
Performance: Better
Actual Size: 17.75x19.75x1
Brand: Accumulair
Item # FA18X20

$12.99

Min Qty: 2
Efficiency: APR 1550
Equivalent: Merv 11
Performance: Better
Actual Size: Actual Size
Brand: Accumulair
Item # FA18X20A

$12.99

Min Qty: 2
Efficiency: APR 650
Equivalent: Merv 8
Performance: Good
Actual Size: 17.75x19.75x1
Brand: Accumulair
Item # FB18X20

$8.99

Min Qty: 2
Efficiency: APR 650
Equivalent: Merv 8
Performance: Good
Actual Size: Actual Size
Brand: Accumulair
Item # FB18X20A

$8.99

Min Qty: 2
Efficiency: APR 450
Equivalent: Merv 6
Performance: Basic
Actual Size: 17.75x19.75x1
Brand: Accumulair
Item # FC18X20

$5.99

Min Qty: 2
Efficiency: APR 450
Equivalent: Merv 6
Performance: Basic
Actual Size: Actual Size
Brand: Accumulair
Item # FC18X20A

$5.99

Min Qty: 2
Efficiency: Carbon
Equivalent: N/A
Performance: N/A
Actual Size: 17.5x19.5x1
Brand: Accumulair
Item # FO18X20X1

$13.99

Min Qty: 2
Efficiency: Carbon
Equivalent: N/A
Performance: N/A
Actual Size: Actual Size
Brand: Accumulair
Item # FO18X20X1A

$14.99

Min Qty: 2

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