ODM 18x20 Ac Filter Manufacturer & Companies

Premium OEM/ODM Solutions, Advanced Composite Media Technology, and Architectural Clean Air Innovations for Global HVAC Distribution

Featured Engineering Air Filtration Products

High-efficiency, custom-pleated, and composite structural media engineered for industrial, commercial, and residential air management systems.

FLT4825 HEPA Filter

Wholesale FLT4825 HEPA Filter B Replacement Compatible with Guardian Air Purifier AC4825 AC4850 AC4300 AC4900 CDAP4500BAC Exporters

View Specifications
Humidifier net wick filter

CE Certification Humidifier net wick filter evaporative air cooler cooling pad Exporters, Service

View Specifications
High efficiency HEPA air filter

China High efficiency factory price round replacement HEPA air filter Supplier, Exporters

View Specifications
Deep-pleat HEPA filter

China Fiberglass deep-pleat HEPA filter high efficiency air filter with separator for clean room Suppliers, Companies

View Specifications
Pocket air filter media

ODM Pocket air filter media G4 M5 M6 F7 F8 F9 bag air filter roll media Exporters, Products

View Specifications
Blueair Blue Pure 211 HEPA Filter

CE Certification 211+ Foldable Activated Carbon and H13 HEPA Replacement Filter Compatible with Blueair Blue Pure 211+ Air Filter

View Specifications
Activated carbon fabric filter

High-Quality Efficient removal of particle and odor sandwich activated carbon fabric air filter material Suppliers, Exporter

View Specifications
Mini-pleated HEPA filter

Wholesale High efficiency customized size mini-pleated HEPA HVAC industrial air filter Company, Product

View Specifications

Company Profile & Clean Technology Heritage

Shenzhen Snow Peak Clean Technology Co., Ltd. stands as a premier integrated high-tech enterprise, specialized in air filtration products research, development, high-accuracy production, domestic/global sales, and seamless import/export operations. Operating from a highly sophisticated technological footprint, the company develops, tests, and deploys high-performance filtration solutions for complex architectural HVAC systems and medical facilities.

Our expansive production and supply capacities encompass a comprehensive range of critical filtration media: Pre-filters, pocket filters, HEPA filters, chemical filters, replacement HEPA assemblies, cabin air filters, and humidifier wicks. In addition, we manufacture primary filter raw supplies including pocket filter media, melt-blown composite media, and advanced synthetic carbon fabrics to guarantee material-level consistency and cost effectiveness.

Leveraging proprietary clean-tech innovations, our signature Sterilizing Antiviral HEPA Filter reduces PM2.5 concentrations to 10 micrograms per cubic meter—performing 5 times better than standard commercial alternatives. By embedding proprietary non-migratory biocidal agents within the matrix structure, we achieve a sterilization rate exceeding 99.9% while completely preventing secondary outgassing, ensuring an H1N1 virus eradication rate of 99.99%.

Shenzhen Snow Peak Clean Technology Facility
15+
Years Experience
99.99%
H1N1 Elimination
5X
Better than PM2.5 Standard
100%
ODM/OEM Customizable

Advanced Production & Quality Integration

From raw pleating to compound lamination, our manufacturing processes are executed under strict ISO quality-control standards.

Gluing machine

Precision Gluing Systems

Cutting machine

CNC Automated Cutting

Gluing Process

Continuous Frame Assembly

Compound filter media

Laminated Compound Media

Pleating Process

High-Density Media Pleating

Secondary Pleating Line

Multi-Stage Structural Pleating

Industrial Infrastructure & Dynamic Fabrication

Drawing upon over 15 years of international air purification engineering experience, Snow Peak maintains a state-of-the-art production base. This includes standardized dust-free HEPA filter workshops equipped with fully automated continuous pleating lines and automated leak detectors. The sheet-metal tooling facility is anchored by high-end AMADA CNC punches and CNC bending machines, granting the factory unmatched speed and precision in customizing the outer frames of 18x20 AC filters, regardless of whether galvanized steel, aluminum alloy, or reinforced moisture-resistant beverage board is specified.

Technical Whitepaper: The Strategic Evolution of 18x20 AC Filters

Analyzing dimension dynamics, filter mechanics, and regional commercial deployment models.

1. Demystifying Nominal vs. Actual Sizing in HVAC Systems

In the air conditioning and mechanical ventilation (HVAC) industry, dimensional precision is paramount for eliminating bypass leakage. An 18x20 AC Filter has a nominal size designation, which serves as a general marketing catalog label. However, the actual dimensions are typically manufactured smaller—standardized at roughly 17.5" x 19.5" x 0.75" (or other profile depths such as 2-inch and 4-inch variants). If an ODM manufacturer deviates by even 2 millimeters, the filter will either fail to fit within the slide-in tracks or allow unfiltered bypass air to contaminate the evaporator coils. Snow Peak mitigates this risk by offering custom-engineered structural tolerance limits down to ±0.5mm, ensuring a hermetic seal when fitted within residential return air grilles or commercial air handlers.

2. Localized HVAC Applications & Climate Adaptation

Air filtration is highly dependent on regional weather conditions and architectural designs:

  • North American Residential Air Handlers: In regions across the US Sunbelt, HVAC systems run almost continuously. Here, 18x20x1 MERV 11 and MERV 13 filters are essential for trapping pollen, mold spores, and fine dust without putting excessive static pressure strain on residential blower motors.
  • European Light Commercial Air Conditioning: Operating under ISO 16890 guidelines (e.g., ePM1 and ePM2.5 designations), European facilities integrate composite mini-pleated 18x20 filters into ceiling cassettes to maintain high indoor air quality (IAQ) in historical offices with retrofit mechanical ventilation.
  • Humid Tropical Regions (Southeast Asia): High relative humidity triggers mold growth on organic filter fibers. Our specialized antimicrobial composite synthetic media prevents microbial propagation under constant condensation stress, keeping HVAC duct systems odor-free.

3. Technology Roadmap & Next-Generation HVAC Media

The air filtration industry is undergoing a paradigm shift from simple mechanical screening to electrostatically charged polymeric composites. Snow Peak's technological roadmap prioritizes three key pillars:

  • Electrostatic Stabilization: Conventional melt-blown materials lose charge efficiency when exposed to atmospheric humidity. Our R&D team uses proprietary organic-inorganic polar charging agents to extend the electrostatic charge retention of MERV 13 and MERV 14 media to over three years of shelf storage.
  • Low-Resistance HEPA Structuring: Standard H13/H14 fiberglass media causes high pressure drops, which increases HVAC fan energy consumption. Our new mini-pleat hot-melt separator configuration lowers initial resistance by 25%, translating to immediate electrical utility savings for building operators.
  • Multi-functional Hybrid Lamination: Combining high-efficiency particulate capture with carbon-embedded non-wovens and bio-active coatings enables a single 18x20 filter slot to simultaneously address VOC odors, PM2.5, and viral pathogens.

Supply Chain Resilience

Situated in Shenzhen, the heart of advanced hardware manufacturing, Snow Peak utilizes a complete local supplier network. From raw polypropylene resins to specialty hot-melt adhesives and automated box-cartoning lines, we maintain production uptime even during global logistics bottlenecks.

Testing & Compliance

Every single batch of high-efficiency pocket and HEPA media undergoes mandatory testing with laser particle counters to check penetrative efficiency and air resistance. Our filters comply with international standards such as CE, EN779, ISO 16890, and ASHRAE 52.2, simplifying global custom clearance and local regulatory audits.

Custom ODM Support

For HVAC distributors and private labels, we offer full design capabilities. This includes custom cardboard frames, branded high-visibility outer cartons, customized pleat depths, and specialized synthetic carbon fabric layering to build unique, high-margin product lines.

Detailed Q&A (FAQ)

Technical answers to help buyers optimize performance and select the right parameters.

What is the exact actual size of your ODM 18x20 AC filters, and why does it matter?
Our standard ODM 18x20x1 AC filters have actual dimensions of 17.5" x 19.5" x 0.75" (445mm x 495mm x 19mm). Correct actual sizing is crucial because a filter that is too large will not slide into the HVAC housing, while one that is too small will allow raw, unconditioned air to bypass the media, reducing the efficiency of downstream components. We can customize the dimensions to any client specification down to ±0.5mm tolerances.
Can we request a MERV 13 rating on a standard 1-inch thick 18x20 filter frame?
Yes. While MERV 13 ratings traditionally require thicker 2-inch or 4-inch deep pleats to maintain a low pressure drop, Snow Peak's advanced electrostatically charged melt-blown composite media achieves MERV 13 (and even MERV 14) performance at a 1-inch profile depth. This keeps air resistance low while capturing fine dust and allergens.
How do the antiviral HEPA filters prevent secondary biological contamination?
Unlike passive filters that simply collect dust, our antiviral HEPA filters incorporate non-migratory bactericidal agents molecularly bonded to the synthetic fibers. This active layer breaks down the outer membranes of captured bacteria and virus cells, preventing them from breeding on the media and eliminating the risk of secondary release during replacement.
What custom framing materials do you offer for high-temperature and industrial applications?
We manufacture filter frames using a variety of materials depending on application requirements: heavy-duty moisture-resistant beverage board for residential use, galvanized steel, anodized aluminum alloy, and heat-resistant stainless steel with aluminum separators for industrial, pharmaceutical, and high-temperature environments.

Industrial Supply & Global Export Portfolio

Access our complete manufacturing catalog, supporting global distributions with reliable logistics and certified filtration materials.

Meltblown fabric air filter media

Custom High efficiency low resistance meltblown MB fabric material for air filter media product Manufacturers, Company

View Specifications
Pleated activated carbon filters

Custom High-efficient gas adsorption material activated carbon media laminated with wire mesh for pleated filters Manufacturers, Supplier

View Specifications
Compound HEPA filter

China Compound HEPA Filter replacement air filter for air purifier and vacuum cleaner Supplier, Exporter

View Specifications
Green white air filter roll material

Wholesale G2 G3 G4 primary efficiency green white air filter roll material media Manufacturers, Suppliers

View Specifications
Customized HEPA filter

China Customized high efficiency HEPA filter for different air purifier and vacuum cleaner Supplier, Companies

View Specifications
PVC BIBO replacement bag

ODM PVC change bag BIBO filter replacement bag BIBO bags for Bag In Bag Out Filter Supplier, Suppliers

View Specifications
Meltblown synthetic bag filter

ODM Factory direct supply air filter pocket G4, M5, M6, F7, F8, F9 meltblown synthetic bag filter Manufacturers, Company

View Specifications
High temperature HEPA filter

OEM High efficiency Industrial use Heat Resistant Stainless Steel frame aluminum foil separator High Temperature HEPA air filter

View Specifications