Nantong Deli manufactures aftermarket replacement humidifier wick filters for Winix evaporative humidifiers. Factory-direct pricing, plant-fibre composite media with integrated antimicrobial treatment, ISO 9001 certified since 2005.
Compatible Winix Humidifier Filter Models
| Winix Humidifier Model | OEM Filter Reference | Filter Type | Dimensions | Deli Part # |
|---|---|---|---|---|
| Winix WHAM950 | WHAM950-filter | Evaporative wick | 12" × 7" × 1.5" | DL-HW-WX950 |
| Winix WAC9500 | WAC9500-filter | Evaporative wick | 12" × 7" × 1.5" | DL-HW-WX950 |
| Winix WAC-9500 | WAC-9500 wick | Evaporative wick | 12" × 7" × 1.5" | DL-HW-WX950 |
| Winix C535 | C535-wick | Evaporative wick | 10.5" × 6" × 1.5" | DL-HW-WXC535 |
| Winix L200 | L200-filter | Evaporative wick | 10" × 5.5" × 1.5" | DL-HW-WXL200 |
Winix® is a registered trademark of Winix Inc. NT Deli is an independent aftermarket manufacturer, not affiliated with or endorsed by Winix Inc.
About Winix Humidifiers — Why Wick Quality Matters
Winix evaporative humidifiers use a fan-forced evaporation system: a motor draws room air through a water-saturated wick, releasing moisture via natural evaporation. This system produces no visible mist and does not require heating the water — making it energy-efficient but also making the wick the single most critical component for performance.
A degraded or low-quality wick in a Winix humidifier causes:
- Reduced room humidity output — clogged capillary channels reduce evaporative surface contact
- Increased fan noise — higher airflow resistance strains the blower motor
- Mold and odor — inadequate antimicrobial treatment allows biofilm formation in the saturated wick
Product Specifications
| Specification | NT Deli Winix-Compatible Wick |
|---|---|
| Media Composition | Plant-fibre + textile-fibre composite (patented blend) |
| Antimicrobial Treatment | Integrated inorganic — inhibits mold and bacteria through full service life |
| Wick Color | Blue-tinted antimicrobial outer layer |
| Structural Frame | Hot-melt bonded PET |
| Wicking Rate | Full saturation in <6 minutes |
| Washability | 3–4 gentle rinse cycles (diluted vinegar or citric acid) |
| Hard Water Performance | Moderate — replace monthly in hard water areas (>150 ppm) |
| Certifications | ISO 9001:2015, ISO 14001, RoHS |
| MOQ | 300 pcs per model |
| Sample Lead Time | 7–10 business days |
Wholesale Pricing
| Quantity | Price per filter |
|---|---|
| Sample (1–10 pcs) | Contact for pricing |
| 300–999 pcs | From $0.90/pc |
| 1,000–4,999 pcs | From $0.75/pc |
| 5,000+ pcs | From $0.60/pc |
Frequently Asked Questions
Three Different Wick Sizes Across the Winix Range
Winix is unusual among humidifier brands in that its wick sizes do not consolidate. The WHAM950 and WAC9500 share a 12 × 7 × 1.5 in wick, but the C535 takes 10.5 × 6 × 1.5 in and the L200 takes 10 × 5.5 × 1.5 in. Three SKUs for five models, with only the depth held constant.
For a distributor this is an inventory problem rather than a technical one. The 1.5 in depth across the whole range means the media specification is identical; only the die changes. That makes a mixed order economical — the same production run covers all three sizes with a die change between them, rather than three separate setups.
Fan-forced evaporation puts more load on the wick
Winix units use fan-forced evaporation with no heating element and no visible mist. Air is driven through a saturated medium, so the wick is doing all the work: it is simultaneously the evaporative surface, the mineral trap and the airflow restriction. A degraded wick in this architecture does not just reduce output, it changes the airflow through the whole unit.
No Mist Means No Feedback
Ultrasonic humidifiers give the user a visible plume, so a decline in output is obvious. Winix evaporative units produce no visible mist at all, which is a genuine advantage in operation — no white dust, no wet surfaces — but it removes the only feedback signal most users have.
The practical result is that a Winix wick is routinely left in service well past the point where it has stopped working properly. The fan still runs, the tank still empties slowly through evaporation and leakage, and nothing looks wrong. Users typically notice only when a hygrometer or dry-air symptoms tell them the room humidity is not where it should be.
The recommendation we give distributors is to package these wicks with a replacement date sticker rather than relying on a printed interval. A date on the unit is the only practical substitute for the visual feedback the architecture does not provide.