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Goodman GMVM97 / GCVM97 furnace: filter size

The Goodman GMVM97 / GCVM97 furnace uses a 10 x 20, 14 x 20, 16 x 25 or 20 x 25 filter, depending on cabinet width (or model) and return location (per the Goodman document cited on this page). The table below shows which size applies to each cabinet and return.

Verified from manufacturer doc Filter sizes hand-checked against the manufacturer document

Last checked against the manufacturer document:

Applies to

Model numbers printed in the linked Goodman document:

GMVM970603BNB, GMVM970803BNB, GMVM970804CNB, GMVM971005CNB, GMVM971205DNB, GCVM970603BNB, GCVM970803BNB, GCVM970804CNB, GCVM971005CNB

Filter sizes by cabinet / model

ModelMinimum filter size(s)
GMVM970603BNB / 0803BNB / 0804CNB(1) 16 x 25 (side or bottom)
GMVM971005CNB / 1205DNB(1) 20 x 25 (bottom) or (2) 16 x 25 (side)
GCVM970603BNB / 0803BNB / 0804CNB (downflow)(2) 10 x 20 or (1) 16 x 25 (top return)
GCVM971005CNB (downflow)(2) 14 x 20 or (1) 20 x 25 (top return)

Other sizes of equal or greater dimensions may be used; filters may also be centrally located (per the sheet).

Measuring a furnace air filter's edge with a tape measure
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.

Buy

Match the size or part number printed on your current filter.

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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

SS-GMVM97 specification sheet, Minimum Filter Sizes
Last checked 2026-10-26. Manufacturers revise documents. If your unit's label disagrees, trust the label.

FAQ

What size filter does the Goodman GMVM97 / GCVM97 furnace use?

The Goodman GMVM97 / GCVM97 furnace uses a 10 x 20, 14 x 20, 16 x 25 or 20 x 25 filter, depending on cabinet width (or model) and return location (per the Goodman document cited on this page). The table below shows which size applies to each cabinet and return. GMVM970603BNB / 0803BNB / 0804CNB – (1) 16 x 25 (side or bottom); GMVM971005CNB / 1205DNB – (1) 20 x 25 (bottom) or (2) 16 x 25 (side); GCVM970603BNB / 0803BNB / 0804CNB (downflow) – (2) 10 x 20 or (1) 16 x 25 (top return); GCVM971005CNB (downflow) – (2) 14 x 20 or (1) 20 x 25 (top return).

How often should I replace the Goodman GMVM97 / GCVM97 furnace 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.

What filter size does the Goodman GMVM970603BNB / 0803BNB / 0804CNB use?

(1) 16 x 25 (side or bottom) (per the Goodman source table).

What filter size does the Goodman GCVM971005CNB (downflow) use?

(2) 14 x 20 or (1) 20 x 25 (top return) (per the Goodman source table).

Where does this information come from?

SS-GMVM97 specification sheet, Minimum Filter Sizes (https://apps.goodmanmfg.com/brochures/files/5c0eb8ce27483SS-GMVM97.pdf), last checked 2026-10-26.