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20x20x4

Air Filter

20x20x4 Accumulair Furnace Filter Merv 13 20x20x4 Accumulair Furnace Filter Merv 11 20x20x4 Accumulair Furnace Filter Merv 8 20x20x4 Accumulair Furnace Filter Carbon 20x20x4 Air Filter Home for Accumulair MERV 11 20x20x4 Air Filter Home White Rodgers MERV 8 20x20x4 Air Filter Home White Rodgers MERV 11 20x20x4 Air Filter Home White Rodgers MERV 13 20x20x4 Air Filter Home White Rodgers Carbon Odor Block

Efficiency

APR 1950
APR 1550
APR 650
Carbon
MERV 11
MERV 8
MERV 11
MERV 13
Carbon Odor

Equivalent

Merv 13
Merv 11
Merv 8
N/A
APR 1550
APR 650
APR 1550
APR 1950
N/A

Performance

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

Actual Size

19.5x19.5x3.75
19.5x19.5x3.75
19.5x19.5x3.75
19.5x19.5x3.75
19.5x19.5x3.75
19.5x19.5x3.75
19.5x19.5x3.75
19.5x19.5x3.75
19.5x19.5x3.75

Brand

Accumulair
Accumulair
Accumulair
Accumulair
Accumulair
White Rodgers
White Rodgers
White Rodgers
White Rodgers

Item #

FD20X20X4
FA20X20X4
FB20X20X4
FO20X20X4
FA20X20X4=DF
FB20X20X4=DWR
FA20X20X4=DWR
FD20X20X4=DWR
FO20X20X4=DWR

Purchase

$25.07

Min Qty: 2

$21.11

Min Qty: 2

$18.47

Min Qty: 2

$29.03

Min Qty: 2

$21.11

Min Qty: 2

$18.47

Min Qty: 2

$21.11

Min Qty: 2

$25.07

Min Qty: 2

$29.03

Min Qty: 2

Product Page

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20x20x4

Air Filter

Efficiency: APR 1950
Equivalent: Merv 13
Performance: Best
Actual Size: 19.5x19.5x3.75
Brand: Accumulair
Item # FD20X20X4

$25.07

Min Qty: 2
Efficiency: APR 1550
Equivalent: Merv 11
Performance: Better
Actual Size: 19.5x19.5x3.75
Brand: Accumulair
Item # FA20X20X4

$21.11

Min Qty: 2
Efficiency: APR 650
Equivalent: Merv 8
Performance: Good
Actual Size: 19.5x19.5x3.75
Brand: Accumulair
Item # FB20X20X4

$18.47

Min Qty: 2
Efficiency: Carbon
Equivalent: N/A
Performance: N/A
Actual Size: 19.5x19.5x3.75
Brand: Accumulair
Item # FO20X20X4

$29.03

Min Qty: 2
Efficiency: MERV 11
Equivalent: APR 1550
Performance: Better
Actual Size: 19.5x19.5x3.75
Brand: Accumulair
Item # FA20X20X4=DF

$21.11

Min Qty: 2
Efficiency: MERV 8
Equivalent: APR 650
Performance: Good
Actual Size: 19.5x19.5x3.75
Brand: White Rodgers
Item # FB20X20X4=DWR

$18.47

Min Qty: 2
Efficiency: MERV 11
Equivalent: APR 1550
Performance: Better
Actual Size: 19.5x19.5x3.75
Brand: White Rodgers
Item # FA20X20X4=DWR

$21.11

Min Qty: 2
Efficiency: MERV 13
Equivalent: APR 1950
Performance: Best
Actual Size: 19.5x19.5x3.75
Brand: White Rodgers
Item # FD20X20X4=DWR

$25.07

Min Qty: 2
Efficiency: Carbon Odor
Equivalent: N/A
Performance: N/A
Actual Size: 19.5x19.5x3.75
Brand: White Rodgers
Item # FO20X20X4=DWR

$29.03

Min Qty: 2
Important Information


The manufacturer has discontinued the MERV 6 / APR 450 filters from their line up, our suggested replacement is the MERV 8 / APR 650 Gold filter, you may see the Emerald MERV 6 / APR 450 still on the website, we are actively removing that MERV/APR


** The typical ship time for orders is now around 15 to 20 business days **

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