18x24x4 Air Filter (Furnace or AC)

Efficiency

Equivalent

Performance

Actual Size

Brand

Item #

Purchase

More Info

18x24x4 Accumulair Furnace Filter Merv 13
Efficiency: APR 1950
Equivalent: Merv 13
Performance: Best
Actual Size: 17.5x23.5x3.75
Brand: Accumulair
Item #: FD18X24X4

$25.07

Min Qty: 2
18x24x4 Accumulair Furnace Filter Merv 11
Efficiency: APR 1550
Equivalent: Merv 11
Performance: Better
Actual Size: 17.5x23.5x3.75
Brand: Accumulair
Item #: FA18X24X4

$21.11

Min Qty: 2
18x24x4 Accumulair Furnace Filter Merv 8
Efficiency: APR 650
Equivalent: Merv 8
Performance: Good
Actual Size: 17.5x23.5x3.75
Brand: Accumulair
Item #: FB18X24X4

$18.47

Min Qty: 2
18x24x4 Accumulair Furnace Filter Carbon
Efficiency: Carbon
Equivalent: N/A
Performance: N/A
Actual Size: 17.5x23.5x3.75
Brand: Accumulair
Item #: FO18X24X4

$31.67

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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