Explore our certified range of high-efficiency, multi-stage primary air filters engineered for maximum particulate containment and system durability.
Shenzhen Snow Peak Clean Technology Co., Ltd. is an integrated high-tech enterprise, specialized in air filtration products research and development, production, sales, import and export trade. We produce and supply: Pre-filter, pocket filter, HEPA filter, chemical filter; replacement HEPA filter, car cabin air filter, humidifier filter; pocket filter media, melt-blown composite filter media, and other high-performance filter materials; provide high quality air purification solutions and products for indoor air pollution control and air conditioning systems of civil and industrial buildings, microelectronics, pharmaceutical, laboratory, school, hospital clean room etc.
Combined with self-developed patented technology, our sterilizing antiviral HEPA filter can effectively filtrate fine particles, so that PM2.5 concentration down to 10 micrograms/m3, 5 times better than national standard; effectively inhibit the breeding of microorganisms, sterilization rate up to 99.9%, and no secondary pollution, removal of H1N1 virus efficiency as high as 99.99%.
Our commitment to quality, engineering excellence, and international air purification standards is demonstrated through proven performance metrics.
Having 15 years of international air purification technology experience as the background, our company has standardized production workshop, dust-free filter workshop and first-class technology of HEPA filters production line and inspection line, independent research and development of fully automatic air filter production line, equipped with AMADA CNC punch and CNC bending machine as well as many other advanced high-end equipment, provide a strong guarantee for production and quality of air filtration and purification products.
In contemporary industrial HVAC infrastructure, air filtration is no longer treated merely as a maintenance checkbox. Driven by strict global regulations, environmental imperatives, and the integration of highly sensitive technology within manufacturing plants, air filtration has transitioned into a key driver of facility operational efficiency. Pre-pleated filters (specifically G2, G3, and G4 ratings conforming to EN 779 and ISO Coarse classifications under ISO 16890) serve as the vital first line of defense. By capturing larger suspended particulates, they prevent premature loading and subsequent failure of high-cost downstream terminal HEPA/ULPA filters.
Modern market shifts indicate a significant migration from traditional flat panel fiberglass filters toward synthetic, progressive-density pre-pleated configurations. Synthetic fibers offer superior structural resilience against humidity, higher dust holding capacity (DHC), and reduced fiber shedding, which could otherwise compromise cleanrooms. Pleating the media exponentially increases the active surface area of the filter without expanding its overall footprint. This high surface-to-volume ratio yields two core mechanical benefits: a significantly reduced initial pressure drop, and extended service intervals. Consequently, facility operators benefit from reduced energy expenditures, as HVAC fans require less power to overcome resistance.
The manufacturing process at Shenzhen Snow Peak Clean Technology Co., Ltd. emphasizes engineering precision. Our pre-filter media incorporates advanced carded, thermally bonded, or needle-punched synthetic fibers. By utilizing a progressive structure (where density increases from the upstream side to the downstream side), the media traps larger dust particles at the outer surface while finer particles are captured deeper within the material. This gradient density stops the media from face-loading prematurely, maximizing dust holding capacity.
For demanding applications, we utilize laminated wire mesh backings. This metal wire mesh (often galvanized steel or lightweight aluminum) is pleated in tandem with the synthetic media, providing robust structural reinforcement. It guarantees that the pleat geometry remains uniform under varying air velocities, eliminating pleat collapse or flutter. Cardboard frames, plastic V-bank assemblies, or heavy-duty galvanized metal frames are subsequently bonded using solvent-free, high-adhesion hot melt systems. This prevents any bypass leakage around the edges of the filter, securing 100% of the air stream within the filtration matrix.
Air filtration requirements vary drastically by sector. A standardized solution is rarely sufficient to meet the demands of highly specialized manufacturing processes:
In sub-micron semiconductor lithography, even a single airborne dust particle can destroy wafer yields. Pre-pleated chemical or particulate filters are deployed to protect the ultra-expensive terminal ULPA filters. Our range of sandwich-type activated carbon mini-pleated filters is specifically optimized to adsorb Volatile Organic Compounds (VOCs) and acidic outgassing, ensuring molecular contaminants are neutralized before they reach cleanroom boundaries.
In settings containing active pharmaceutical ingredients (APIs) or biological pathogens, air containment must be absolute. Utilizing our patented sterilizing antiviral HEPA filters, which achieve a 99.9% sterilization rate and 99.99% H1N1 virus removal efficiency, facilities can prevent cross-contamination. Our CE-certified pre-filters act as pre-treatment units to prevent the rapid loading of terminal biological containment modules.
In high-end paint application booths, paint-stop floor rolls (fiberglass media) and ceiling diffusion media are mandatory. Pre-filters in these environments must capture paint overspray efficiently while maintaining laminar airflow. Any interruption or turbulence in the air velocity can cause surface defects on the painted vehicle bodies, resulting in costly re-work cycles. Our customized 600G ceiling filter cotton and G2-G4 primary media rolls are specifically built to withstand high dust-loading and paint overspray environments.
To assist procurement managers and HVAC design engineers in selecting the correct filtration components, the table below outlines the primary performance characteristics of our pre-filter range:
| Filter Grade (EN 779) | ISO 16890 Class | Arrestance (%) | Initial Resistance (Pa) | Recommended Final Resistance (Pa) | Primary Material Matrix |
|---|---|---|---|---|---|
| G2 | ISO Coarse 30% | 60% - 70% | 20 - 30 Pa | 250 Pa | Coarse Fiberglass / Polyester Roll |
| G3 | ISO Coarse 50% | 70% - 80% | 25 - 35 Pa | 250 Pa | Synthetic Thermally Bonded Fiber |
| G4 | ISO Coarse 70% | 80% - 90% | 35 - 50 Pa | 250 Pa | Progressive Synthetic with Mesh Lamination |
| M5 / F7 | ISO ePM10 60% / ePM2.5 | >90% | 55 - 80 Pa | 450 Pa | Meltblown Composite / Synthetic Bag Media |
As a leading exporter of pre-pleated filters, we understand that global sourcing involves navigating complex regulatory landscapes. Importers in the European Union, the Americas, and Southeast Asia must guarantee compliance with the CE Mark (Conformité Européenne). CE certification on our G2/G3/G4 pre-filters and high-efficiency HEPA solutions signifies that our products meet European safety, health, and environmental protection standards. This is essential for public tenders, large commercial builds, and pharmaceutical applications.
Additionally, we work closely with localized distribution partners to provide custom dimensions, custom frame choices (such as beverage board, plastic, metal), and customized branding (OEM/ODM). Our supply chain is structured to absorb volatility in logistics, offering robust container loading options, anti-microbial packaging, and rapid transit dispatch routes. Whether you are stocking regional HVAC distribution warehouses or sourcing filters for complex industrial machinery projects, our sales engineers provide complete design consultation, CAD drawings, and test reports to speed up your internal procurement processes.
The future of air filtration belongs to smart, sustainable, and highly active media formats. Snow Peak Clean Technology is actively researching the next generation of filter media to support global decarbonization efforts. Our future technical roadmap focusing on these primary development cycles includes:
Browse through frequently asked technical questions curated by our SEO specialists and senior filtration engineers to resolve your design and procurement challenges.
Explore our extensive catalog of heavy-duty pre-filters, replacement HEPA assemblies, carbon fabrics, and specialized synthetic media.
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