17.5x23.5x4

Air Filter

 17.5x23.5x4 Accumulair Furnace Filter Merv 13 17.5x23.5x4 Accumulair Furnace Filter Merv 11 17.5x23.5x4 Accumulair Furnace Filter Merv 8 17.5x23.5x4 Accumulair Furnace Filter Carbon

Efficiency
APR 1950
APR 1550
APR 650
Carbon

Equivalent
Merv 13
Merv 11
Merv 8
N/A

Performance
Best
Better
Good
N/A

Actual Size
17.1x23.1x3.75
17.1x23.1x3.75
17.1x23.1x3.75
17.1x23.1x3.75

Brand
Accumulair
Accumulair
Accumulair
Accumulair

Item #
FD17.5X23.5X4N
FA17.5X23.5X4N
FB17.5X23.5X4N
FO17.5X23.5X4N

Purchase

$26.39

Min Qty: 2
Order Options

$22.43

Min Qty: 2
Order Options

$18.47

Min Qty: 2
Order Options

$26.39

Min Qty: 2
Order Options

Product Page
More Info »
More Info »
More Info »
More Info »

17.5x23.5x4

Air Filter

17.5x23.5x4 Accumulair Furnace Filter Merv 13
Efficiency: APR 1950
Equivalent: Merv 13
Performance: Best
Actual Size: 17.1x23.1x3.75
Brand: Accumulair
Item # FD17.5X23.5X4N

$26.39

Min Qty: 2
Order Options
More Info »
17.5x23.5x4 Accumulair Furnace Filter Merv 11
Efficiency: APR 1550
Equivalent: Merv 11
Performance: Better
Actual Size: 17.1x23.1x3.75
Brand: Accumulair
Item # FA17.5X23.5X4N

$22.43

Min Qty: 2
Order Options
More Info »
17.5x23.5x4 Accumulair Furnace Filter Merv 8
Efficiency: APR 650
Equivalent: Merv 8
Performance: Good
Actual Size: 17.1x23.1x3.75
Brand: Accumulair
Item # FB17.5X23.5X4N

$18.47

Min Qty: 2
Order Options
More Info »
17.5x23.5x4 Accumulair Furnace Filter Carbon
Efficiency: Carbon
Equivalent: N/A
Performance: N/A
Actual Size: 17.1x23.1x3.75
Brand: Accumulair
Item # FO17.5X23.5X4N

$26.39

Min Qty: 2
Order Options
More Info »
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 **

Ok, got it

Newsletter Signup

Sign up to join our mailing list and be the first to hear about special pricing, new products, and tips to get the most out of your filters!

You can also sign up for our email reminders to change your filter here

No thanks, I'd rather not
✕