Partner With the Factory.
Save 40–70% on Air Filters.
Nantong Deli manufactures humidifier wick filters, HAF dehumidifier filters, and activated carbon filters for distributors, Amazon FBA sellers, HVAC brands, and private-label buyers worldwide. ISO 9001:2015 certified since 2005.
Built for B2B Buyers at Every Scale
From first-time importers to established HVAC distributors — our wholesale program is structured to support your business model.
Amazon FBA Sellers
Factory-direct sourcing for replacement filter listings on Amazon US, EU, and UK.
- FBA-ready packaging (FNSKU, poly bag, carton specs)
- Private label under your brand
- 500+ model-compatible SKUs
- Consistent quality for seller metrics
Wholesale Distributors
Bulk pricing for HVAC parts distributors, appliance replacement parts suppliers, and hardware chains.
- Tiered pricing by volume (500 / 2K / 5K+)
- Drop-ship programs available
- Custom catalog sheets for sales teams
- Monthly restocking arrangements
Private Label Brands
Build your own replacement filter brand with Deli's OEM manufacturing foundation.
- Custom box and bag printing
- Multilingual inserts (EN/ES/FR/DE/JA)
- EAN/UPC barcode labeling
- Exclusive model coverage by agreement
Appliance OEM Brands
Supply original or aftermarket-spec filters for your humidifier and dehumidifier product lines.
- Custom dimensions to ±0.5mm tolerance
- Proprietary media formulation available
- Co-development and NDA options
- ISO-audited quality documentation
Restoration Companies
Fleet purchasing for HAF dehumidifier filters used in water damage restoration operations.
- Drop-in compatible: Dri-Eaz, Phoenix, AlorAir
- MOQ 300 units per model
- Bulk fleet pricing for 50+ unit orders
- Quick reorder with standing purchase orders
International Importers
First-time China sourcing made reliable with full documentation and compliance support.
- ISO, RoHS, REACH certificates included
- Bureau Veritas audit report available
- Consignment and LC payment options
- Dedicated sourcing agent support
Transparent Wholesale Pricing Tiers
Factory-direct pricing structured around your order volume. No hidden fees. Request an exact quote for your product mix.
Starter
units minimum
- Standard production
- White-label ready
- DHL/FedEx delivery
- Free sample first
Distributor
units per SKU
- 15% below Starter price
- Custom packaging included
- Priority production slot
- Dedicated account manager
Wholesale
units per order
- 25% below Starter price
- Sea freight arranged
- Exclusive model options
- Net-30 payment terms
OEM Partner
units / annual
- Maximum factory pricing
- Custom R&D support
- NDA + IP protection
- Dedicated production line
Exact per-unit pricing depends on product type, dimensions, and quantity. Contact us for a detailed quote.
Four Filter Categories. 500+ SKUs.
Every product available in custom sizes, multiple efficiency ratings, and private-label packaging.
Humidifier Wick Filters
Plant fibre composite wicking media. Compatible with Honeywell, Vornado, Aprilaire, Boneco, Crane, and 500+ models. Antimicrobial treatment standard.
HAF Dehumidifier Filters
Electrostatic open-channel synthetic media. Drop-in compatible with Dri-Eaz LGR 700, Phoenix R200, AlorAir SLGR 1600X. Pressure drop <0.15 in. w.c.
Aluminium Mesh Filters
Multi-layer expanded aluminium mesh. Temperature resistant to 400°C. Used in range hoods, AHU pre-filters, commercial kitchen ventilation.
Activated Carbon Filters
Coconut shell activated carbon for VOC, formaldehyde, and odor removal. Available in panel, honeycomb, and granular media formats.
From Inquiry to Your Warehouse in 5 Steps
Documented Quality at Every Level
All certification documents available upon request for your supplier qualification process.
ISO 9001:2015
Quality management system — certified since 2005. Full QMS documentation available.
ISO 14001:2015
Environmental management system. Relevant for ESG-compliant supply chains.
Bureau Veritas Audit
Factory audit Re-PASS, November 2025. Report MIC-ASR2541690 available on request.
2025 MEI Award
HAF filter recognised by China's Made Excellence Innovation Award, evaluated by BV & SGS.
Common Questions from Buyers
Request Wholesale Pricing
Tell us what you need — we'll respond within 24 hours with pricing, specs, and sample availability.
Or contact us directly: amanda@ntdeli.top · WhatsApp +86 138 6296 0263