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Daikin DM96SE / DC96SE furnace: filter size

Daikin DM96SE / DC96SE filter sizes: 10 x 20, 14 x 20, 16 x 25 and 20 x 25, as listed in the Daikin source document's filter table. Which size fits depends on your cabinet and return. This page is pending human review, so check the source excerpt below.

Auto-extracted · review pending Filter sizes auto-extracted from the manufacturer document.

Last checked against the manufacturer document:

Filter sizes by cabinet / model

Sizes found in the source table
10 x 20
14 x 20
16 x 25
20 x 25

Extracted by script from the linked document. Read the excerpt to see which size applies to which cabinet or return.

Close-up of a pleated furnace air filter
Illustration only. Not this manufacturer's part.

Replacement interval

General guidance (not from this manual): check monthly and replace 1-in. filters every 1–3 months, or follow the filter maker's guidance and your owner's manual.

Before you buy

Pull the old filter and read the size printed on its frame. Nominal sizes are rounded up: a 15.5 x 24.5 in. filter is sold as 16 x 25.

MERV notes

Your furnace manual lists the filter's dimensions, not its MERV rating. Higher-MERV filters restrict more air. Manufacturers such as Carrier recommend keeping the clean-filter pressure drop under 0.2 in. w.c. (ideally under 0.1). Lennox warns that an over-restrictive filter can trip the high limit in winter and freeze the coil in summer. If you want MERV 11–13, a 4-in. media cabinet is the usual route. Ask an HVAC tech to check static pressure. Nominal sizes are rounded: a filter labeled 16 x 25 x 1 actually measures about 15.5 x 24.5 x 0.75.

Related models

Where this data came from

Manufacturer document for Daikin DM96SE / DC96SE
Last checked 2026-10-31. Manufacturers revise documents. If your unit's label disagrees, trust the label.

Excerpt from the source

Minimum Filter Sizes
                                        DC96SE               DC96SE              DC96SE                  DC96SE                    DC96SE
                                       0403BNA              0603BNA             0804CNA                 1005CNA                   1205DNA
 Filter Size (in²) (Qty)                     (2) 10 x 20 or (1) 16 x 25 (top return)             (1) 14 x 20 (bottom) or (1) 20 x 25 (top return)
  Note: Other size filters of equal or greater dimensions may be used. Filters may also be centrally located.
10                                                             www.daikincomfort.com                                                                              SS-DM96SE
                                                                                                                                                  DC96SE Airflow Data
                                                                     CIRCULATION AIRFLOW DATA
                                                                           External Static Pressure, (Inches Water Column)
                 DIP SWITCHES
  Model                               0.1            0.2           0.3            0.4           0.5            0.6            0.7           0.8      0.9     1
                   S2-3 , S2-4
                                     CFM            CFM           CFM            CFM           CFM            CFM            CFM           CFM       CFM    CFM
                   OFF OFF            629           566            509            450           388            327          269             228      195     153

FAQ

What size filter does the Daikin DM96SE / DC96SE use?

Daikin DM96SE / DC96SE filter sizes: 10 x 20, 14 x 20, 16 x 25 and 20 x 25, as listed in the Daikin source document's filter table. Which size fits depends on your cabinet and return. This page is pending human review, so check the source excerpt below. 10 x 20; 14 x 20; 16 x 25; 20 x 25.

How often should I replace the Daikin DM96SE / DC96SE filter?

General guidance (not from this manual): check monthly and replace 1-in. filters every 1–3 months, or follow the filter maker's guidance and your owner's manual.

Why doesn't my filter measure exactly 16 x 25?

Filter sizes are nominal (rounded). A filter sold as 16 x 25 x 1 actually measures about 15.5 x 24.5 x 0.75 in. Buy by the nominal size printed on the frame.

Does the Daikin DM96SE / DC96SE use more than one filter size?

Yes. The source table lists 4 sizes: 10 x 20, 14 x 20, 16 x 25 and 20 x 25. Which one applies depends on your cabinet and return; check the excerpt (pending human review).

Where does this information come from?

Manufacturer document for Daikin DM96SE / DC96SE (https://cdn.daikincloud.io/PIM/Assets/Documents/SS-DM96SE.pdf), last checked 2026-10-31.