SKU
1" panel filter
18x24x1 air filter
Mid-size wall returns in homes built through the 1990s and 2000s.
Spec
Specification
- Nominal size (order by this)
- 18x24x1
- Actual measured size
- 17.5 x 23.5 x 0.75
- Depth
- 1″
- Available ratings
- MERV 8 · 11 · 13
- Spoken size
- 18 x 24 x 1 inches
The nominal size is the number printed on the filter frame and the number to order by. The actual size is about half an inch smaller on width and height, which is normal and is what lets the filter slide into its track.
Order
Choose a rating and a cadence
MERV 11 is the right default for a 1-inch slot in a typical Charlotte house. MERV 13 is viable if your system has adequate return capacity.
Per filter$15.00
Per delivery$15.00
Cost per month$7.50
Filters per year6
These prices are placeholders. Supplier pricing is not final. The structure of the offer is real; the numbers are not.
Notify me at launch
Opens an email with 18x24x1, MERV 11, and your cadence already filled in. Ordering is not open yet — there is no cart on this site.