HoMedics UHE-HDC4 Demineralization Cartridges
OEM part number(s):
Made by HoMedics. Replacement interval: HoMedics guidance: replace demineralization cartridges roughly every 30–40 fillings (varies with water hardness)..
Prices checked 2026-11-11: genuine from $19.99 + shipping at HoMedics (homedics.com). Every price in the table below carries its store and checked date.
Amazon is a buy link, not a price claim: Amazon blocks automated price reads, so its price is never quoted here.
Exact fit — all 9 verified models
Harvested from published manufacturer and retailer fit lists (sources at the bottom of this page). If your exact model is not listed, do not assume fit — check the number on your current part.
HoMedics (9)
HoMedics' own listing broadens the fit: any HoMedics ultrasonic humidifier of 0.5 gallon or larger.
Aftermarket equivalents
| Brand | Part number | Note |
|---|---|---|
| Techecook | UHE-HDC4 replacement (10-pack) | Aftermarket cartridges sold on Amazon (ASIN B0BTBQKDN1) |
All verified prices
| Kind | Store | Pack | Price | Shipping | Checked |
|---|---|---|---|---|---|
| Genuine OEM | HoMedics (homedics.com) | 4-pack, genuine HoMedics UHE-HDC4 — in stock at HoMedics' own store when checked (price captured 2026-11-11) | $19.99 + shipping item $19.99 | Shipping terms at checkout | 2026-11-11 |
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.
Specs
| Replacement interval | HoMedics guidance: replace demineralization cartridges roughly every 30–40 fillings (varies with water hardness). |
| Treatment / media | Demineralization cartridges reduce calcium, lime and magnesium buildup and white dust. |
| Quantity note | Cartridges drop into the tank; HoMedics sells them in 4-packs (the '4' in HDC4). |