In-House
Filter Media Production
Get stable quality, flexible specifications, and shorter lead times through full internal control.
Professional Air Filtration Manufacturer in China
with Custom Solutions
WAir empowers the manufacturing, chemical, electronics, and pharmaceutical sectors with high-efficiency air filtration and compressed air treatment. Driven by technical innovation
and an eco-friendly focus, we deliver you fully customized systems that ensure purity,
stability, and uncompromised quality.
Complete Filtration Solutions
for Every Application
From general ventilation to critical and extreme environments, we help you solve air quality challenges with reliable, application-driven filtration solutions.
General Ventilation Filters
Standard and custom ventilation filters designed for commercial and industrial HVAC systems
to ensure clean indoor air.
HEPA & ULPA Filters
High-efficiency filters
(H13-U17) engineered for cleanrooms and hospitals, featuring strict leakage testing for absolute sterility.
Chemical & Specialty Filters
Activated carbon and impregnated media
modules specifically customized to neutralize odors, toxic gases, and molecular contaminants.
Turbomachinery & Energy Filters
Robust intake filtration systems protecting gas turbines and compressors from dust, salt, and moisture to maximize power output.
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OEM & Custom Filters
Tailor-made filtration solutions manufactured
to your exact dimensions and specifications,
ensuring perfect fit
and brand alignment.
Filter Media & Accessories
Premium raw filter media rolls, durable frames, and sealing components supplied directly from
our production line for you.
Let’s Solve Your Filtration Challenge Today
Tell us your application and requirements, we’ll recommend
or customize the right solution for you.
Built for Performance, Reliability &
Long-Term Value
Leveraging our in-house media production, WAir delivers
fully customized solutions with guaranteed stability and compliance with strict international standards.
In-House
Application-Specific Customization
Designed for high temperature,Âhumidity, or corrosive environments withÂlow-resistance performanceShorter Lead Times
Move your projects faster thanks toÂflexible manufacturing and streamlined production processes.
Sample Testing Before Production
Verify performance with samples before bulk orders, reducing risk and uncertainty.Certified Performance Standards
Compliant with ISO 16890 and EN 1822, supported by ISO, SGS, RoHS, and Intertek certificationsWarranty & Lifetime Support
One-year warrantyand lifetime technical support from experiencedfiltration specialists
Why Choose WAir
Work with WAir, a manufacturer committed to technology, quality, and sustainability.
Technology Innovation – Continuous material and design development
Quality Commitment – Certified systems and proven performance
Environmental Responsibility –
Energy-efficient designs and
RoHS-compliant materials
Excellence in Action
Explore our production lines, testing equipment, and real-world filtration projects
across industrial and clean environments.
Trusted by Engineers, OEMs &
Facility Operators Worldwide
From custom prototypes to volume production, clients trust us for precision, speed, and unwavering stability.
Michael Turner
The impregnated carbon filters completely solved our H2S odor issue. The custom media formulation works perfectly.
Anna Müller
We needed a space-saving solution for our new microelectronics cleanroom. Their ultra-thin HEPA design saved us valuable installation space without compromising on the E15 efficiency we require.
Liang Zhou
The 350°C high-temp filters are a game-changer for our sterilization tunnels. They handle extreme heat with zero shedding, and the low pressure drop has significantly improved our energy efficiency.
Latest Insights from the Filtration Industry
Explore technical articles, application guides, and industry insights to help you make better filtration decisions.
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Frequently Asked Questions
Find quick answers regarding our manufacturing capabilities, customization options, and global delivery standards.
Absolutely. We leverage our independent media customization capabilities to engineer dedicated materials for high-temperature, humid, or corrosive environments, ensuring stable, low-resistance, and high-efficiency performance tailored to your working conditions.
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.
Our products are fully compliant with ISO 16890 and EN 1822 standards. Our facility is ISO 9001, 14001, and 45001 certified, and products have passed third-party verifications by SGS, RoHS, and ITS.
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 stand behind our quality with a one-year warranty on all products. Additionally, we provide lifetime technical support, giving you permanent access to our engineering expertise for any future maintenance needs.
