Home › Models › HoMedics UHE-CM45B
What filter does a HoMedics UHE-CM45B take?
It takes the HoMedics UHE-HDC4 Demineralization Cartridges — OEM part number UHE-HDC4.
HoMedics UHE-CM45B, ultrasonic humidifier, tabletop.
Lowest verified price: $19.99 — 4-pack, genuine HoMedics UHE-HDC4 — in stock at HoMedics' own store when checked (price captured 2026-11-11) at HoMedics (homedics.com). Shipping terms at checkout. Checked 2026-11-11.
Buy the UHE-HDC4 on Amazon — UHE-HDC4Direct link to the verified Amazon listing for this part. Amazon price is shown on Amazon; we do not quote it here.
The part, in brief
| Part | HoMedics UHE-HDC4 Demineralization Cartridges |
|---|---|
| Replacement interval | HoMedics guidance: replace demineralization cartridges roughly every 30–40 fillings (varies with water hardness). |
| Per change | Cartridges drop into the tank; HoMedics sells them in 4-packs (the '4' in HDC4). |
| Equivalents | Techecook UHE-HDC4 replacement (10-pack) |
Verified prices
| Option | Price | Store & shipping |
|---|---|---|
| Genuine (OEM) 4-pack, genuine HoMedics UHE-HDC4 — in stock at HoMedics' own store when checked (price captured 2026-11-11) | $19.99 | HoMedics (homedics.com) Shipping terms at checkout · Checked 2026-11-11 · source |
No verified in-stock genuine HoMedics price was captured on 2026-11-11. Aftermarket cartridges are widely sold on Amazon; per this site's rule we link Amazon without quoting its price.
Full record with every price, source and date: HoMedics UHE-HDC4 Demineralization Cartridges page.
Finding the model number on a HoMedics
Model numbers are on the bottom label and start with 'UHE-'. Demineralization cartridges (UHE-HDC4) drop into the tank of 1-gallon and larger HoMedics ultrasonic models.