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12x24x1 Air Filter
Efficiency	APR 2250	APR 2250	APR 1950	APR 1950	APR 1550	APR 1550	APR 650	APR 650	Carbon	Carbon
Equivalent	N/A	N/A	Merv 13	Merv 13	Merv 11	Merv 11	Merv 8	Merv 8	N/A	N/A
Performance	Best	Best	Best	Best	Better	Better	Good	Good	N/A	N/A
Actual Size	11.5x23.5x1	11.75x23.75x1	11.5x23.5x1	11.75x23.75x1	11.5x23.5x1	11.75x23.75x1	11.5x23.5x1	11.75x23.75x1	11.5x23.5x1	11.75x23.75x1
Brand	Accumulair	Accumulair	Accumulair	Accumulair	Accumulair	Accumulair	Accumulair	Accumulair	Accumulair	Accumulair
Item #	FI12X24	FI12X24N	FD12X24	FD12X24N	FA12X24	FA12X24N	FB12X24	FB12X24N	FO12X24X1	FO12X24X1N
Purchase	$21.11 Min Qty: 2 Order Options	$21.11 Min Qty: 2 Order Options	$18.47 Min Qty: 2 Order Options	$18.47 Min Qty: 2 Order Options	$10.55 Min Qty: 2 Order Options	$10.55 Min Qty: 2 Order Options	$7.91 Min Qty: 2 Order Options	$7.91 Min Qty: 2 Order Options	$13.19 Min Qty: 2 Order Options	$13.19 Min Qty: 2 Order Options
Product Page	More Info »	More Info »	More Info »	More Info »	More Info »	More Info »	More Info »	More Info »	More Info »	More Info »

12x24x1

Air Filter

Efficiency: APR 2250

Equivalent: N/A

Performance: Best

Actual Size: 11.5x23.5x1

Brand: Accumulair

Item # FI12X24

$21.11

Min Qty: 2

Order Options

Efficiency: APR 2250

Equivalent: N/A

Performance: Best

Actual Size: 11.75x23.75x1

Brand: Accumulair

Item # FI12X24N

$21.11

Min Qty: 2

Order Options

Efficiency: APR 1950

Equivalent: Merv 13

Performance: Best

Actual Size: 11.5x23.5x1

Brand: Accumulair

Item # FD12X24

$18.47

Min Qty: 2

Order Options

Efficiency: APR 1950

Equivalent: Merv 13

Performance: Best

Actual Size: 11.75x23.75x1

Brand: Accumulair

Item # FD12X24N

$18.47

Min Qty: 2

Order Options

Efficiency: APR 1550

Equivalent: Merv 11

Performance: Better

Actual Size: 11.5x23.5x1

Brand: Accumulair

Item # FA12X24

$10.55

Min Qty: 2

Order Options

Efficiency: APR 1550

Equivalent: Merv 11

Performance: Better

Actual Size: 11.75x23.75x1

Brand: Accumulair

Item # FA12X24N

$10.55

Min Qty: 2

Order Options

Efficiency: APR 650

Equivalent: Merv 8

Performance: Good

Actual Size: 11.5x23.5x1

Brand: Accumulair

Item # FB12X24

$7.91

Min Qty: 2

Order Options

Efficiency: APR 650

Equivalent: Merv 8

Performance: Good

Actual Size: 11.75x23.75x1

Brand: Accumulair

Item # FB12X24N

$7.91

Min Qty: 2

Order Options

Efficiency: Carbon

Equivalent: N/A

Performance: N/A

Actual Size: 11.5x23.5x1

Brand: Accumulair

Item # FO12X24X1

$13.19

Min Qty: 2

Order Options

Efficiency: Carbon

Equivalent: N/A

Performance: N/A

Actual Size: 11.75x23.75x1

Brand: Accumulair

Item # FO12X24X1N

$13.19

Min Qty: 2

Order Options

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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12x24x1

Air Filter

Efficiency

APR 2250

APR 2250

APR 1950

APR 1950

APR 1550

APR 1550

APR 650

APR 650

Carbon

Carbon

Equivalent

N/A

N/A

Merv 13

Merv 13

Merv 11

Merv 11

Merv 8

Merv 8

N/A

N/A

Performance

Best

Best

Best

Best

Better

Better

Good

Good

N/A

N/A

Actual Size

11.5x23.5x1

11.75x23.75x1

11.5x23.5x1

11.75x23.75x1

11.5x23.5x1

11.75x23.75x1

11.5x23.5x1

11.75x23.75x1

11.5x23.5x1

11.75x23.75x1

Brand

Accumulair

Accumulair

Accumulair

Accumulair

Accumulair

Accumulair

Accumulair

Accumulair

Accumulair

Accumulair

Item #

FI12X24

FI12X24N

FD12X24

FD12X24N

FA12X24

FA12X24N

FB12X24

FB12X24N

FO12X24X1

FO12X24X1N

Purchase

$21.11

Min Qty: 2

$21.11

Min Qty: 2

$18.47

Min Qty: 2

$18.47

Min Qty: 2

$10.55

Min Qty: 2