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20x20x4Air Filter |
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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 |
$25.07Min Qty: 2 |
$21.11Min Qty: 2 |
$18.47Min Qty: 2 |
$29.03Min Qty: 2 |
$21.11Min Qty: 2 |
$18.47Min Qty: 2 |
$21.11Min Qty: 2 |
$25.07Min Qty: 2 |
$29.03Min Qty: 2 |
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