What filter does a Kenmore 3688 take?
It takes the Holmes HWF62 Filter (Type A) — OEM part number HWF62.
Kenmore 3688, evaporative humidifier, tabletop.
Lowest verified price: $23.90 — aftermarket, 2-pack ($11.95 per filter) at DiscountFilters. Free shipping on orders $70+ at DiscountFilters; a fee applies below that. Checked 2026-11-11.
Buy the HWF62 on Amazon — HWF62Amazon 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 Amazon price is shown on Amazon; we do not quote it here.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 | Holmes HWF62 Filter (Type A) |
|---|---|
| Replacement interval | Replace every 1–2 months in season (general Holmes wick guidance). |
| Per change | One filter per change on most models. |
| Equivalents | BestAir H62, BestAir Pro H85, DiscountFilters (AIRx) HWF62 replacement |
Verified prices
| Option | Price | Store & shipping |
|---|---|---|
| Aftermarket 2-pack ($11.95 per filter) | $23.90 | DiscountFilters Free shipping on orders $70+ at DiscountFilters; a fee applies below that · Checked 2026-11-11 · source |
| Also checked 6-pack | $41.70 | DiscountFilters Free shipping on orders $70+ at DiscountFilters; a fee applies below that · Checked 2026-11-11 · source |
| Also checked 2-pack, BestAir H62 | $25.49 | Target Target shipping/pickup terms at checkout · Checked 2026-11-11 · source |
Full record with every price, source and date: Holmes HWF62 Filter (Type A) page.
Finding the model number on a Kenmore
Kenmore humidifiers were built by Essick Air/Emerson. Model numbers are on the bottom label and often start with '758.'. Kenmore part numbers 14906 and 15508 are the MAF1 and MAF2 wicks.