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What filter does a Honeywell HCM-890-20 take?
It takes the Honeywell HC-888 Filter C (= Duracraft AC-888) — OEM part number HC-888.
Honeywell HCM-890-20, evaporative humidifier, tabletop.
Lowest verified price: $14.95 — aftermarket, 1 filter, Filters Fast D88 R at FiltersFast. Free economy shipping on orders $99+ (lower 48); a fee applies below that. Checked 2026-11-11.
Buy the HC-888 on Amazon — HC-888Amazon search for the exact part number (no single listing is endorsed). Amazon price is shown on Amazon; we do not quote it here.
The part, in brief
| Part | Honeywell HC-888 Filter C (= Duracraft AC-888) |
|---|---|
| Replacement interval | Filter life 2 months (FiltersFast genuine listing); Honeywell guidance 30–60 days. |
| Per change | One filter per change. |
| Equivalents | BestAir D88, Filters Fast D88 R, Duracraft AC-888 |
Verified prices
| Option | Price | Store & shipping |
|---|---|---|
| Genuine (OEM) 1 filter, genuine Honeywell HC-888 (buy 4+ at $17.99 ea.) | $19.99 | FiltersFast Free economy shipping on orders $99+ (lower 48); a fee applies below that · Checked 2026-11-11 · source |
| Aftermarket 1 filter, Filters Fast D88 R | $14.95 | FiltersFast Free economy shipping on orders $99+ (lower 48); a fee applies below that · Checked 2026-11-11 · source |
Full record with every price, source and date: Honeywell HC-888 Filter C (= Duracraft AC-888) page.
Finding the model number on a Honeywell
Model numbers are on the bottom of the base or on a sticker on the back of the tower. The letter at the end is the color: B = black, W = white (for example HEV615B is the black tower, HEV615W the white one). Filter letters: A = HAC-504, T = HFT600, R = HAC-504AW-class refill.