Assortment of V-bank and rigid box air filters for industrial gas turbines and heavy-duty ventilation

OEM & Custom Filters Built to
Fit Your Equipment and Applications

Flexible OEM and Custom Filtration Solutions for Your Systems

    OEM cylindrical air filter cartridge with white pleated media and grey side tabs for HVAC or air purifiers

    HVAC OEM Filters

    Get OEM-ready filters designed to match your
    HVAC units, ensuring consistent performance,
    easy integration, and
    stable long-term operation.

    Get a quote >>

    Custom HEPA / ULPA Filters

    Receive customized
    high-efficiency filters tailored to your cleanliness class, dimensions, and
    operating conditions.

    Get a quote >>
    Durable metal filter screen with protective mesh and steel frame for harsh operating conditions

    Metal Filters

    Use durable metal filters designed for oil mist,
    high-temperature,or harsh industrial environments
    with long service life.

    Get a quote >>
    Round OEM HEPA filter replacement with activated carbon coating and easy-pull tab

    Activated Carbon Modules

    Choose modular carbon
    filters for effective odor
    and VOC removal, optimized for your airflow and adsorption requirements.

    Get a quote >>
    Heavy-duty all-metal stainless steel air filter with protective mesh guard for corrosion-resistant applications

    Equipment-Specific Filters

    Get filters engineered specifically for your machines, ensuring perfect fit, reliable sealing, and optimal
    filtration performance.

    Get a quote >>

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Close-up of a custom-designed synthetic pocket air filter with reinforced spacing details

Need a Custom Manufacturing Partner?

Submit your technical drawings or specifications today, 
and we will engineer a prototype solution for your approval.

Customization That Works
in Real Applications

  • Design-to-Fit Capability

    We engineer specialized media
    in-house for humid, high-temperature,
    or corrosive environments, guaranteeing
    low resistance and high efficiency.

  • Certified Quality You Can Trust

    Backed by ISO 9001, 14001, and 45001 certified manufacturing, our filters are verified by SGS, RoHS, and ITS to meet ISO 16890, EN 779, and EN 1822 standards.

  • Shorter Lead Times

    By producing our
    own media, you are protected from supply delays, ensuring your projects benefit from shorter lead times and consistent quality.

From Concept to Production

Explore our custom filter designs, production processes, testing capabilities,
and OEM projects delivered to global customers.

A Partner Built for OEM Success

We combine manufacturing agility with strict quality control to support your brand's reputation.

  • Reliable Performance Verified by Samples

  • Flexible Media & Dimension Customization for Harsh Environments

  • Significantly Shorter Lead Time

  • ISO, SGS, RoHS, & Intertek certified; ISO 16890 & EN 1822 compliant

Overview of cleanroom manufacturing floor with multiple automated lines for mass production of air filters

Trusted by OEMs and System Integrators

See why leading OEMs and distributors rely on us for their filtration components.

Their filters fit our HVAC units perfectly. The private labeling is professional, and the consistent pressure drop helps our equipment achieve better energy ratings.

Marco RossiOperations Director
Portrait of a satisfied male client providing a 5-star review for Wair air filtration solutions

We needed a non-standard size HEPA for our new air purifier.
WAir engineered a prototype in one week that passed all our leakage tests perfectly.

Kevin MooreProduct Engineer
Headshot of a modern business owner featured in a recent air filtration success case

WAir's ability to customize the carbon media formula for
specific industrial odors gave us
a huge advantage in the waste management market. 

Liu FangProcurement Manager
Headshot of a modern business owner satisfied with improved indoor air quality

A Clear and Efficient OEM Process

Simply share your filtration requirments, and we will guide you from technical analysis to rapid delivery.

  • Send Your Inquiry

    Share your technical drawings, specifications, or application requirements.
  • Sample Verification

    Test prototype samples to confirm fit, performance, and compatibility.
  • Production & Delivery

    We mass-produce your order under strict quality controls 
    and typically 
    ship within 20 days.

Frequently asked questions

Successful B2B partnership handshake in an industrial manufacturing settingGo to help center
Absolutely. We leverage our independent media customization capabilities to engineer materials for high-temperature, humid, or corrosive environments, ensuring low-resistance and high-efficiency performance.
Yes. We provide prototype samples for you to test in your actual equipment. This allows you to verify the fit and performance before we proceed to mass production.
Because we produce our own filter media to control stability and supply, we typically ship orders within 20 days after sample approval—significantly faster than standard industry lead times.
We operate under a strictly certified management system holding ISO 9001, ISO 14001, and ISO 45001. Our products are compliant with global filtration standards (ISO 16890, EN 779, EN 1822) and have passed verifications by SGS, RoHS, and ITS to ensure performance.
We stand behind our manufacturing with a one-year warranty on all products. Additionally, we provide lifetime technical support, ensuring you have access to our engineering expertise whenever you need it.

Download Catalogue!

Download our catalog to check all of our products and data sheet.

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