Why it matters
The Levoit LEH-S451-WUS Humidifier Filter is a replacement wick or pad for a portable humidifier.
Wicks harden with mineral scale and can grow slime; rinse weekly and replace when stiff or discolored.
Compared with the Levoit OasisMist 1000S Humidifier Filter: rated room size 600 square feet here vs 1110 square feet.
Who it's for, and who should skip it
Good fit if
- Annual humidifier service
Look elsewhere if
- Other humidifier models
Pros and cons
Pros
- Exact-fit part
Cons
- Fits only the listed humidifier models
Limitations to weigh
- Specifications are the maker's or seller's own figures; check fit against your equipment's model number and the actual size.
Specifications
The bracket shows where each figure comes from.
| Model number | LEH-S451-WUS | Retailer |
|---|---|---|
| Room coverage | 600 square feet | Retailer |
| Wattage | 12 watts | Retailer |
| Filter type | Wick | Retailer |
| Capacity | 4.5 liters | Retailer |
| Run time per fill | 40 hours | Retailer |
Alternatives worth comparing
More humidifier filters and water panels we cover
- Honeywell HC26E1004 Humidifier Pad
- Aprilaire 4793 Humidifier Pad
- Lemige HFT600 Humidifier Filter
- VEVA Replacement Filter for Honeywell HAC-504
- Blueair DreamWell Humidifier Replacement Wick $34.99
All humidifier filters and water panels, compared in one table · Every Levoit product we cover
Final verdict
A sensible choice for annual humidifier service. Confirm the model it fits before ordering.
Where to buy
Prices change often; the button shows today's price.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure
Questions buyers ask
What is the Levoit LEH-S451-WUS Humidifier Filter for?
The Levoit LEH-S451-WUS Humidifier Filter is a replacement wick or pad for a portable humidifier.