24x24x1 Air Filters
A 24x24 label and 20x24 label share the 24-inch side, but differ by 4 inches on the other side; matching only one dimension is not enough.
24x24x1 is a large square filter, used where a system moves a lot of air through a big return. It is common in larger homes, offices, retail spaces and hospitality, where one large return does the work of several small ones.
24x24 filter prices and depths
24x24x1 MERV 8 from $34.75 per 3-pack. Compare all three depths below. These are one-time purchase prices before tax and out-of-state shipping. *Per-filter amounts are rounded; the pack total is the price charged. Packs of 6 and 12 are priced in the calculator.
24x24x1: 3-pack prices
Nominal: 24 x 24 x 1 in. Plusco standard actual: 23.5 x 23.5 x 0.5 in.
| Filter | 3-pack total | Per filter* |
|---|---|---|
| MERV 8 | $34.75 | $11.58 |
| MERV 13 | $45.00 | $15.00 |
| Carbon | $43.25 | $14.42 |
24x24x2: 3-pack prices
Nominal: 24 x 24 x 2 in. Plusco standard actual: 23.5 x 23.5 x 1.5 in.
| Filter | 3-pack total | Per filter* |
|---|---|---|
| MERV 8 | $48.75 | $16.25 |
| MERV 13 | $67.50 | $22.50 |
| Carbon | $65.50 | $21.83 |
24x24x4: 3-pack prices
Nominal: 24 x 24 x 4 in. Plusco standard actual: 23.5 x 23.5 x 3.5 in.
| Filter | 3-pack total | Per filter* |
|---|---|---|
| MERV 8 | $79.00 | $26.33 |
| MERV 13 | $108.75 | $36.25 |
| Carbon | $105.25 | $35.08 |
Check the filter slot before changing depth. A 2-inch or 4-inch filter is not a substitute for a 1-inch filter unless your equipment accepts it.
Price 24x24x1 filters in the calculator Need another size? Request a quote
24x24x1 filter specifications
| Nominal size | 24 x 24 x 1 inches |
|---|---|
| Actual size | 23.5 x 23.5 x 0.5 inches (½ inch under nominal) |
| Depth | 1 inch (2 and 4 inch available in the calculator) |
| Ratings | MERV 8 and MERV 13, plus carbon in the calculator |
| Made | Custom manufactured in South Florida |
Nominal size is the rounded size printed on the filter frame. Our standard filters run ½ inch under nominal in each dimension so they slide into the slot, and custom sizes are cut to your exact measurements. Always match the nominal size printed on your current filter.
Where a 24x24x1 filter fits
Large returns usually belong to larger systems. In a hotel, office or retail unit, a 24x24x1 may be one of dozens of identical filters across a building. That makes a repeat order, with a set delivery cadence, more valuable than a one-time purchase.
Choosing MERV 8 or MERV 13 in 24x24x1
With this much face area, MERV 13 is often practical in commercial settings, because a large filter can offset some of the added resistance. Still, confirm that your equipment supports it. Many businesses use MERV 8 for general spaces and MERV 13 where air quality matters most.
- MERV 8 air filters: everyday filtration for dust, pollen and pet dander.
- MERV 13 air filters: finer particle capture for cleaner indoor air.
Not sure which fits your system? Read the MERV 8 vs MERV 13 guide or call (561) 241-9666.
Order 24x24x1 filters
Use the filter calculator to pick 24x24x1, choose your MERV rating and see your price right away. Orders start at 3 filters, with free shipping in Florida. Compare pack prices in the calculator, and we handle custom sizes and bulk orders.
24x24x1 air filter questions
Do you sell 24x24x1 filters in bulk?
Yes. Use the calculator to price larger quantities, and request a quote if you need a recurring commercial delivery.
Is a 24x24x1 filter a standard size?
Yes, it is a standard nominal size. Actual size is 23.5 x 23.5 x 0.5 inches (½ inch under nominal). Custom sizes are cut to your exact measurements.
Can I get a custom size close to 24x24?
Yes. We make custom sizes, which helps when a commercial return is not exactly standard.
Other sizes
Don't see your size? We make custom-size filters for homes, offices, hotels and facilities.