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Furnace filter sizes

Each size is listed as printed on the frame (nominal). Actual cut dimensions vary by brand and are on the size page. If your label is blank, measure first.

• 16x25x1Full page. Typical actual ~15.75×24.75×0.75. Common furnace slot.
• 20x20x1Stub. Honeywell and Amazon Basics: 19.75×19.75×0.75.
• 16x20x1Stub. Honeywell/Amazon Basics: 15.75×19.75×0.75. Filtrete: 15.69×19.69×0.78.
• 20x25x1Stub. Honeywell/Amazon Basics: 19.75×24.75×0.75. Filtrete: ~19.69×24.69×0.78.
• 14x25x1Stub. Honeywell: 13.75×24.75×0.75. Filtrete (one SKU): 13.81×24.81×0.78.
• 16x24x1Stub. Honeywell: 15.75×23.75×0.75.

Next full money page: 20x20x1. Odd sizes (14x20x1, 18x24x1, 16x30x1, 20x22x1, 12x24x1) and 4-inch media will be added in later nights.