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21x22x1

Air Filter

21x22x1 Accumulair Furnace Filter APR 2250 21x22x1 Accumulair Furnace Filter APR 2250 21x22x1 Accumulair Furnace Filter Merv 13 21x22x1 Accumulair Furnace Filter Merv 13 21x22x1 Accumulair Furnace Filter Merv 11 21x22x1 Accumulair Furnace Filter Merv 11 21x22x1 Accumulair Furnace Filter Merv 8 21x22x1 Accumulair Furnace Filter Merv 8 21x22x1 Accumulair Furnace Filter Merv 6 21x22x1 Accumulair Furnace Filter Merv 6 21x22x1 Accumulair Furnace Filter Carbon 21x22x1 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

20.5x21.5x1
Actual Size
20.5x21.5x1
Actual Size
20.5x21.5x1
Actual Size
20.5x21.5x1
Actual Size
20.5x21.5x1
Actual Size
20.5x21.5x1
Actual Size

Brand

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

Item #

FI21X22
FI21X22A
FD21X22
FD21X22A
FA21X22
FA21X22A
FB21X22
FB21X22A
FC21X22
FC21X22A
FO21X22X1
FO21X22X1A

Purchase

$17.99

Min Qty: 2

$17.99

Min Qty: 2

$15.99

Min Qty: 2

$15.99

Min Qty: 2

$11.99

Min Qty: 2

$11.99

Min Qty: 2

$9.99

Min Qty: 2

$9.99

Min Qty: 2

$7.99

Min Qty: 2

$7.99

Min Qty: 2

$14.99

Min Qty: 2

$14.99

Min Qty: 2

Product Page

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21x22x1

Air Filter

Efficiency: APR 2250
Equivalent: N/A
Performance: Best
Actual Size: 20.5x21.5x1
Brand: Accumulair
Item # FI21X22

$17.99

Min Qty: 2
Efficiency: APR 2250
Equivalent: N/A
Performance: Best
Actual Size: Actual Size
Brand: Accumulair
Item # FI21X22A

$17.99

Min Qty: 2
Efficiency: APR 1950
Equivalent: Merv 13
Performance: Best
Actual Size: 20.5x21.5x1
Brand: Accumulair
Item # FD21X22

$15.99

Min Qty: 2
Efficiency: APR 1950
Equivalent: Merv 13
Performance: Best
Actual Size: Actual Size
Brand: Accumulair
Item # FD21X22A

$15.99

Min Qty: 2
Efficiency: APR 1550
Equivalent: Merv 11
Performance: Better
Actual Size: 20.5x21.5x1
Brand: Accumulair
Item # FA21X22

$11.99

Min Qty: 2
Efficiency: APR 1550
Equivalent: Merv 11
Performance: Better
Actual Size: Actual Size
Brand: Accumulair
Item # FA21X22A

$11.99

Min Qty: 2
Efficiency: APR 650
Equivalent: Merv 8
Performance: Good
Actual Size: 20.5x21.5x1
Brand: Accumulair
Item # FB21X22

$9.99

Min Qty: 2
Efficiency: APR 650
Equivalent: Merv 8
Performance: Good
Actual Size: Actual Size
Brand: Accumulair
Item # FB21X22A

$9.99

Min Qty: 2
Efficiency: APR 450
Equivalent: Merv 6
Performance: Basic
Actual Size: 20.5x21.5x1
Brand: Accumulair
Item # FC21X22

$7.99

Min Qty: 2
Efficiency: APR 450
Equivalent: Merv 6
Performance: Basic
Actual Size: Actual Size
Brand: Accumulair
Item # FC21X22A

$7.99

Min Qty: 2
Efficiency: Carbon
Equivalent: N/A
Performance: N/A
Actual Size: 20.5x21.5x1
Brand: Accumulair
Item # FO21X22X1

$14.99

Min Qty: 2
Efficiency: Carbon
Equivalent: N/A
Performance: N/A
Actual Size: Actual Size
Brand: Accumulair
Item # FO21X22X1A

$14.99

Min Qty: 2

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