Browse our premium range of deep-pleat and customized HVAC filters designed to meet the rigorous demands of global manufacturing standards.
Industrial processes demand continuous air sterilization and particle control. High-Efficiency Particulate Air (HEPA) filters are critical, but not all HEPA structures are created equal. Deep pleat designs represent the zenith of particulate capacity.
Deep pleat HEPA filters use corrugated separators (aluminum foil or specialized kraft paper) to maintain exact space between the pleats. This design prevents pleat clustering and optimizes laminar airflow distribution even under extreme operational pressures.
By folding long sheets of glass fiber media into pleats up to 290mm deep, the total media surface area is dramatically increased. This yields lower resistance, minor initial pressure drop, and significantly longer filter life cycles, saving HVAC operating energy costs.
Under heavy particulate load conditions, mini-pleats can blind rapidly. Deep pleat separators allow deep-bed loading of contaminants, capturing particles uniformly across the media depth rather than just blinding the upstream face.
Engineers face critical choices when upgrading HVAC or terminal housing units. Selecting the appropriate pleat geometry directly impacts local containment air-change rates, system fan sizing, and maintenance intervals.
Deep pleat layouts remain the gold standard for cleanrooms, high-temperature sterilizing tunnels, and heavy-duty HVAC intake grids. Where physical installation depth is available, the deep pleat format delivers unmatched aerodynamic efficiency.
| Parameter | Deep Pleat HEPA | Mini-Pleat HEPA |
|---|---|---|
| Typical Depth | 150 mm to 292 mm | 50 mm to 120 mm |
| Separator Material | Aluminum Foil / Kraft Paper | Hot Melt Glue Beads |
| Dust Capacity | Extremely High (Deep-Bed) | Moderate (Face-Loaded) |
| High Temp Capability | Up to 350°C (Silicone/Glass Seal) | Typically Max 80°C |
| Face Velocity Range | 1.5 to 2.5 m/s | 0.45 to 0.75 m/s |
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%.
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.
Our filtering systems meet international certifications (CE, EN1822, ISO29463). Discover how our deep pleat filtration solves environmental and process protection requirements worldwide.
Cleanroom environments (ISO Class 1 to 5) demand extremely low organic outgassing and particle rates. By deploying our customized fiberglass deep-pleat HEPA filters with aluminum separators, microchip manufacturing facilities ensure zero particulate settle-out during photolithography steps.
Pharma sterile filling lines necessitate laminar flow ceilings fitted with high-efficiency filters. Our antiviral HEPA material, coupled with rigorous leak testing, meets FDA GMP guidelines, ensuring biological contaminants and pathogens are continuously removed without bypass.
Laminar heat sterilizers and depyrogenation tunnels run at high temperatures (up to 350°C). We fabricate special high-temperature resistant stainless steel HEPA air filters featuring aluminum foil separators and specialized mechanical sealants, ensuring process integrity and long life under extreme thermal cycles.
As governments globally enforce stricter particulate controls and zero-emission parameters (Net Zero carbon objectives), standard air filters must evolve. The next decade of Snow Peak's clean technologies focuses on:
1. Ultralow Resistance Media: Designing next-generation composite meltblown materials that cut differential pressure values by 25%, drastically reducing the energy profile of high-volume HVAC loops.
2. Embedded Pathogen Disruption: Scaling our patented surface coating tech to neutralize bacteria and viruses instantly, eliminating the risk of bio-loading on exhaust filters.
3. Advanced Composite Frameworks: Deploying eco-safe, structural frameworks with minimal chemical outgassing, ideal for both nuclear applications and cleanroom processing.
Each deep-pleat product is individually certified. We utilize modern particle counters (scanning down to 0.1 microns) to trace compliance profiles before dispatch, ensuring our customers pass local and international health, safety, and ISO regulatory audits.
Access immediate technical guidance from our filtration engineering department.
Deep pleat HEPA filters are utilized when higher dust holding capacity and longer maintenance intervals are required. Because they utilize corrugated aluminum separators, they can handle higher volumetric flow rates and sustain physical integrity under mechanical turbulence or high pressures that could cause mini-pleat filters to deform.
Yes. Shenzhen Snow Peak specializes in full custom production. We supply custom sizes using galvanized, aluminum, or stainless steel frames. Our engineering group matches target CFM and pressure requirements to ensure seamless fit in existing HVAC plenums or cleanroom grids.
Our sterilizing antiviral HEPA media inhibits the reproductive cycle of micro-organisms, offering a 99.9% biological sterilization rate. In testing, the media neutralized H1N1 virus strains at an efficiency of 99.99%. This prevents secondary contamination where microbes gather on the filter surface over time.
Every single HEPA unit is subjected to strict scanning procedures (such as PAO/DOP test methods) to ensure zero pinhole leaks in the media and frames. All filtration products comply with EN 1822 or ISO 29463 guidelines, and test certificates are generated for microelectronic and pharmaceutical validation documentation.
Review replacement parts, specialized carbon filters, and localized purification accessories designed for specific commercial HVAC layouts.
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