Home › Models › Vornado Ultra3
What filter does a Vornado Ultra3 take?
It takes the Vornado MD1-0018 Mineral Cartridge — OEM part number MD1-0018.
Vornado Ultra3, ultrasonic humidifier, tabletop.
Lowest verified price: none captured yet — see the notes below. The Amazon button below is the current buy route.
Buy the MD1-0018 on Amazon — MD1-0018Amazon 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 Amazon price is shown on Amazon; we do not quote it here.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 | Vornado MD1-0018 Mineral Cartridge |
|---|---|
| Replacement interval | Replace every 4–8 weeks depending on water type and use (National Allergy / Allergy Control product guidance). |
| Per change | One cartridge per change. Vornado also offers it on an automatic refill program (vornado.com). |
| Equivalents | None verified |
Verified prices
| Option | Price | Store & shipping |
|---|
No in-stock price is listed: the retailer checked for this pass (MyCoolingStore, $13.99 list) showed the cartridge Sold Out on 2026-11-11, and Vornado sells it direct via its refill program. An out-of-stock price is not quoted as a buy price here.
Full record with every price, source and date: Vornado MD1-0018 Mineral Cartridge page.
Finding the model number on a Vornado
Model names (Evap, EV, EVDC series) are on the bottom label. Vornado wicks are sold as MD1 numbers: MD1-0002 for Evap1/Evap3/Model 30/Model 50, MD1-0034 (1-inch) for the EV and later Evap models. Units use two wicks at a time.