Premium Air Filter OEM Manufacturer — Trusted by Brands in 50+ Countries
Humidifier Wicks · HAF Dehumidifier Filters · Aluminium Mesh · Activated Carbon Filters — Custom OEM/ODM Manufacturing Since 1993 · ISO 9001 · 53 Patents · Free Sample in 7 Days
30+
Years Experience
50+
Countries
500+
SKUs
3M+
Units/Year
Filtration Solutions for Every Application
Humidifier Filter / Wick
Evaporative humidifier wicks made from plant- and textile-fibre composites. Compatible with Honeywell, Vornado, Stadler Form, and 500+ models.
- Replacement every 2–3 months
- Reduces white dust & mineral deposits
- Custom size & shape OEM manufacturing
- Anti-mold, anti-bacterial options
- Patent: Folded Composite Cartridge (2024)
HAF Dehumidifier Filter
High Air Flow filters for professional LGR dehumidifiers. Electrostatic charged media for superior particle capture with maximum airflow.
- Open channel design for max airflow
- Electrostatic charged microstructured media
- Resists growth of mold & mildew on surface
- Compatible: LGR700, Dri-Eaz, Dri-Pod
- Do NOT wash — maintains electrostatic charge
Aluminium Mesh Filter
Multi-layer aluminium mesh grease filters for commercial kitchen range hoods and HVAC units. Durable, washable, and fully customizable.
- Multi-layer expanded aluminium mesh
- Washable & reusable — saves long-term cost
- Custom width, height, and thickness
- Suitable for kitchens, HVAC, AHU
- Galvanized or Stainless Steel options
Activated Carbon Filter
High-performance carbon filters for air purifiers and range hoods. Removes VOCs, formaldehyde, and odors with granular or honeycomb carbon.
- Granular or honeycomb carbon options
- Removes formaldehyde, VOCs, odors
- Patent: High-Efficiency Removal Device
- Custom shapes, sizes & carbon density
- OEM for major air purifier brands
Products can be customized — not limited to the models listed.
Send us your OEM part number, dimensions, or sample and we'll quote within 24 hours. Start your inquiry →
HAF Filters: Maximum Performance for Dehumidifiers
HAF (High Air Flow) filters from Deli deliver superior particle retention, resist microbial growth, and allow maximum airflow throughout the loading cycle — the same technology trusted by professional restoration companies.
How Electrostatic Capture Works
30 Years of Filtration Expertise — At Your Service
✅ OEM/ODM Mastery
Full custom filter design from material to finished product based on your drawings or samples.
🔬 53 Authorized Patents
53 fully authorized patents including 3 utility patents for proprietary filter construction and formaldehyde removal technology.
🌍 Global Track Record
Trusted by distributors and brands in the USA, UK, Germany, Australia, Japan, and 45+ others.
⚡ Fast Turnaround
Sample in 7–10 days. Bulk production lead time 15–30 days depending on quantity.
📐 Custom Everything
Width, height, depth, media type, frame material, color — all fully customizable.
🔒 Quality Control
ISO-certified production. Every batch inspected. Third-party inspections welcome.
Versatile Solutions for Home & Industry
Evaporative Humidifiers
Home & office humidifiers by Honeywell, Vornado, Stadler Form, Boneco, Crane, and more.
LGR Dehumidifiers
Professional water damage restoration machines (LGR 700, Dri-Eaz, Phoenix).
Commercial Kitchens
Range hood grease filters for restaurants, hotels, and large-scale food factories.
HVAC Systems
Air handling units, fan coil units, and fresh air systems requiring custom media.
Air Purifiers
Activated carbon + HEPA combo filters for premium residential and commercial purifiers.
Industrial Filtration
Custom filters for industrial air cleaning, paint booths, and clean room environments.
Expert Guides for Air Filtration
How to Source Custom Air Filters from China
A procurement guide covering MOQs, lead times, and technical specifications for OEM filters.
Read Full Guide →
How to Choose an OEM Manufacturer in China
Critical criteria for selection: R&D capability, patents, and export history to North America.
Read Full Guide →
What is an HAF Filter? Technology Explained
Understanding the electrostatic High Air Flow technology that powers professional dehumidifiers.
Read Full Guide →Recent Posts
Trusted by Global Brands for 30+ Years
Gree Electric
Designated OEM Supplier — China's #1 A/C manufacturer, Fortune 500
Freudenberg (科德宝)
Strategic Partner — Global industrial filtration leader
Philips
Designated Supplier — Air purifier filtration components
JIELV Group
Long-term OEM Partner — Multi-continent distribution
…and 200+ distributors and brands across 50+ countries. Learn more →
Global Standards, Local Expertise
Quality Management System — Certified since 2005. Annual third-party audit.
Request CertificateEnvironmental Management System — Certified since 2005. REACH & RoHS compliant.
Request CertificateFormaldehyde removal, VOC efficiency & filtration performance — independently verified.
Request SGS ReportIncluding 3 invention patents. National High-Tech Enterprise since 2016.
View R&D PageCE marking support + EU Responsible Person arrangement available for European importers.
Request EU DocsAll documents sent within 1 business day. Contact: amanda@ntdeli.top
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30+
Years in Business
50+
Countries Served
3M+
Units Produced Per Year
500+
SKUs Available
Let's Discuss Your Filtration Needs
📱 WhatsApp: +86 138 6296 0263 ✉ amanda@ntdeli.top ✉ ntclr@126.com 📘 /NantongDeliFilters🏭 Factory: Nantong, Jiangsu, China
Note: We reply within 2 hours during business hours (GMT+8)
Where Precision Meets Scale
Built on 30+ years of manufacturing excellence in Nantong, Jiangsu — our facility houses ISO-certified production lines, an in-house R&D lab, and a quality control cleanroom.
Company Introduction
Nantong Deli · Est. 1993 · ISO 9001 Certified OEM Manufacturer
▶ Nantong Deli Purification Equipment Co., Ltd. — Company Introduction
Nantong Deli Factory — Nantong, Jiangsu, China
Production floor, R&D lab, quality inspection & finished goods warehouse