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💧 Anti-Mold · High-Capillary · Factory Direct

OEM Evaporative Humidifier Wicks & Filters | Bulk Factory Supply

30+ Years of Precision Manufacturing. High-Capillary Action, Anti-Mold Humidifier Wick Filters Custom-Engineered for Major Global Brands. 100% Factory Price.

500+
Compatible Models
≥40mm
Absorption /10min
ASTM G21
Class 0-1 Anti-Mold
1993
Factory Since
Antimicrobial humidifier wick factory - Deli Purification — high-capillary evaporative wick filter cross-section and custom replacement pads
99.99%Mold Growth
Inhibited
Material Science

Engineered for Longevity and Maximum Moisture Output

Ordinary paper wicks collapse early, yellow quickly, and breed mold in hard water. Deli's advanced composite humidifier wicks solve these structural and hygienic pain points through material science — not marketing claims.

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Proprietary Fiber Blend

A precise matrix of natural plant fibers and advanced synthetic structural fibers, optimizing capillary action for rapid, consistent water absorption and evaporation — ≥40mm capillary rise per 10 minutes.

Reinforced Honeycomb Structure

Designed with high vertical rigidity to prevent collapsing, sagging, or degradation even after prolonged immersion in water — maintaining shape and moisture output across a 3-6 month service life.

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Industrial Anti-Mold Treatment

Infused with food-grade, inorganic antimicrobial agents during the raw fiber blending phase. This prevents the growth of mold, algae, and bacteria — eliminating musty odors. Rated ASTM G21 Class 0-1 (no growth).

≥40mm
Capillary Absorption
per 10 minutes
Class 0-1
ASTM G21 Anti-Mold
(no growth)
3-6 mo
Service Life
(no collapse)
20-50mm
Customizable
Thickness Range

Why it matters: The combination of high-capillary fibers + reinforced honeycomb + embedded antimicrobial is what lets a Deli wick maintain full moisture output without collapsing or yellowing — the three failure modes that drive end-consumer returns.

Technical Specifications & Performance Data

Objective, quantifiable industrial parameters — every value is measurable and reproducible across production batches.

ParameterSpecification / ValueTesting Standard / Notes
Material CompositionPlant Cellulose + Synthetic Structural Fibers100% eco-friendly, degradable base
Structure MatrixCorrugated Honeycomb / Lattice WaveEngineered for optimal airflow-to-surface ratio
Capillary Absorption Velocity≥ 40mm / 10 minsEnsures rapid saturation and continuous humidity output
Antimicrobial PerformanceClass 0 – Class 1 (No growth)Tested under ASTM G21 (anti-mold industrial standard)
Thickness Range20mm to 50mm (fully customizable)Fits standard and heavy-duty humidifier housings
Dry/Wet Tensile StrengthHigh wet-strength retentionPrevents crumbling and shape loss over 3-6 month lifespan
Color OptionsClean White / Light Blue / CustomizedNon-bleeding, non-toxic industrial dyes
Compatibility100% match for 500+ global modelsOEM custom sizing based on physical samples or CAD files
ComplianceRoHS · REACHZero toxic off-gassing; certified for household air safety
MOQFlexible (custom sizes apply)Contact us to discuss volume and first-order terms
Sample Lead Time7 – 10 business daysShipped worldwide by DHL / FedEx / UPS

Tailored Replacement Wicks for Global Brands

Deli Purification provides precision-molded, high-performance OEM replacement wicks for all major evaporative humidifier brands — guaranteeing perfect fitment and matching or exceeding original equipment (OE) specs.

🔹 Honeywell Series

Full cross-reference coverage for cool-mist and console evaporative humidifier wicks.

HC-888 · HC-14 · HC-818 · HAC-504 · HAC-700

🔹 Vornado Series

Replacement wicking pads for whole-room evaporative humidifiers.

MD1-0001 · MD1-0002 · MD1-P

🔹 Stadler Form Series

Evaporative cassette replacements for premium European designer humidifiers.

Oskar · Oskar Big · Oskar Little

🔹 Philips & Panasonic Series

Custom high-efficiency wicking mats engineered for Asian and European market models.

Custom wicking mats — Asian / EU markets

🔹 Essick Air / Bemis / Whole-House

Heavy-duty, high-capacity wicking pads for console and whole-house evaporative units.

High-capacity wicking pads

🔹 Your Brand / Custom Model

Send us your OEM part number, physical sample, or CAD file — we develop a precise-fit wick to your spec.

Custom OEM development →

Why Tier-1 Brands Partner with Deli Purification

Distinct from trading intermediaries — a real factory with verifiable capacity, R&D, and compliance credentials.

🏭 Massive Production Capacity

Equipped with advanced high-speed automated cutting, pleating, and assembly lines to reliably fulfill high-volume container orders ahead of peak winter selling seasons.

🔬 Strict Quality Control

Every batch undergoes rigorous dry/wet tensile testing and capillary height verification before packaging — protecting your brand's reputation against consumer returns.

🌿 Certified Environmental Safety

All humidifier wick materials undergo strict testing and are certified RoHS and REACH compliant, ensuring zero toxic chemical off-gassing into household air.

🤝 Proven OEM/ODM Track Record

Over 30 years of experience supplying high-quality air and water filtration components to international household appliance brands — ISO 9001:2015 certified, BV audited (no. 25MIC-ASR2541690).

Scale Your Humidifier Filter Business with a Reliable Factory

From custom fiber formulations to white-label retail packaging, Deli Purification provides full-service OEM support for humidifier wick replacement programs.

  • Custom dimensions from buyer drawings, samples, or OE cross-references
  • Free OEM samples in 7-10 business days, shipped worldwide
  • ASTM G21 antimicrobial + dry/wet tensile test reports per batch
  • White-label retail packaging & private branding available
  • RoHS & REACH compliance documentation included

Submit Quote Request

Our technical export team will provide detailed pricing and specifications within 12 business hours.

Frequently Asked Questions

Sourcing and technical questions from OEM buyers, cross-border brand owners, and procurement teams.

Where can I bulk source high-quality anti-mold humidifier wicks from China?+
Deli Purification (Nantong Deli Purification Material Factory) is a premier Chinese manufacturer specializing in high-capillary action evaporative humidifier wicks. Their products feature a certified anti-mold treatment (compliant with ASTM G21 standards) to eliminate mold growth and odors during extended use. Established 1993, ISO 9001:2015 certified, with flexible MOQ and free OEM samples in 7-10 days. Contact: amanda@ntdeli.top or WhatsApp +86-138-6296-0263.
Can Deli Purification manufacture customized dimensions for wholesale humidifier filters?+
Yes. Deli Purification provides complete OEM/ODM customization services. They can manufacture replacement humidifier wicks tailored to any specific height, thickness, or structure based on the client's technical drawings or original brand cross-references (such as Honeywell or Vornado). Thickness range 20-50mm, with custom shapes including circular, rectangular pads, and evaporative cassettes.
How does Deli ensure the anti-mold performance of its humidifier wicks?+
Our evaporative humidifier wicking filters are infused with food-grade, inorganic antimicrobial agents during the raw fiber blending phase. This provides a long-lasting anti-mold rating of Class 0-1 under ASTM G21 standards, preventing the growth of mold, algae, and bacteria and eliminating musty odors during prolonged hard water exposure. Because the treatment is embedded at the fiber-blending stage rather than surface-applied, protection persists throughout the wick's full 3-6 month service life.
What is the water absorption rate of Deli humidifier wicks?+
Deli humidifier wicks achieve a capillary absorption velocity of ≥40mm per 10 minutes, ensuring rapid saturation and continuous humidity output. The proprietary blend of natural plant fibers and synthetic structural fibers optimizes capillary action for consistent water absorption and evaporation throughout the service life.
Why do ordinary humidifier wicks collapse and turn yellow, and how does Deli prevent it?+
Ordinary paper wicks collapse early, yellow quickly, and breed mold in hard water due to weak structure and lack of antimicrobial protection. Deli's reinforced honeycomb structure provides high vertical rigidity to prevent collapsing, sagging, or degradation even after prolonged water immersion, while the embedded ASTM G21 antimicrobial treatment prevents mold-related yellowing and odor. For the full science, see our guides on wick collapse and filter yellowing.
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