Global B2B Cleanroom Air Filtration Engineering

OEM 24x48 HEPA Filters Factories & Company

Specialized 2ft × 4ft HEPA & ULPA Air Filtration Solutions for Semiconductor Fabs, Biopharma Cleanrooms, and Critical Industrial HVAC Systems.

Industrial Air Cleanliness: The Critical Role of 24x48 HEPA Filtration

In modern manufacturing ecosystems, air cleanliness is not merely a preference; it is a critical variable that directly governs product yield, safety, and regulatory compliance. The 24x48 HEPA filter (measuring exactly 24 by 48 inches or 2 feet by 4 feet, roughly 610 × 1220 mm) represents the global standard size for Fan Filter Units (FFUs) used in modular cleanrooms, surgical suites, and advanced electronics production plants.

This specific dimensional footprint has emerged as the industry gold standard due to its optimized aspect ratio, offering an ideal balance between volumetric airflow capacity, spatial ceiling grid integration, and structural stability. Choosing the correct OEM manufacturer ensures that these large-scale filters retain perfect structural seal integrity, minimizing air bypass and keeping operating static pressure drops low.

From microelectronics fabrication to critical sterile drug compounding, Shenzhen Snow Peak Clean Technology Co., Ltd. delivers customized and standard-sized 24x48 filters utilizing cutting-edge mini-pleating technologies, advanced liquid silicone gaskets, and resilient structural frame designs.

Shenzhen Snow Peak Factory Cleanroom Testing and Production
15+
Years R&D Experience
99.99%
Viral Filtration Rate (H1N1)
AMADA
Advanced CNC Machinery
ISO
Certified Facilities

Technical Engineering & Specifications Matrix

Our OEM 24x48 HEPA Filters are manufactured in multiple performance grades to match the stringent requirement classes of global standards bodies (EN1822 / ISO 29463).

Filter Class (EN1822) Efficiency (MPPS @ 0.3μm) Recommended Face Velocity Initial Pressure Drop (Pa) Frame Materials & Depths Primary Industrial Applications
H13 ≥ 99.97% 0.45 m/s (90 FPM) ≤ 80 Pa Extruded Aluminum, Galv, SS (69mm - 150mm) Commercial HVAC, Class 10,000 Cleanrooms, Labs
H14 ≥ 99.995% 0.45 m/s (90 FPM) ≤ 95 Pa Anodized Aluminum Profile (80mm - 292mm) Pharmaceutical Filling, Semiconductor Class 100
U15 (ULPA) ≥ 99.9995% 0.35 - 0.45 m/s ≤ 120 Pa Gel-Seal Aluminum Profile Nano-tech, Wafer Stepper Chambers, Aerospace Assembly
High-Temp HEPA ≥ 99.97% 0.5 m/s ≤ 110 Pa Stainless Steel Frame, Glass Sealant (250°C Max) Hot Air Depyrogenation Tunnels, Painting Ovens

*Note: Standard sizing for 24x48 filters translates to actual nominal dimensions of 570 × 1170 mm, 610 × 1220 mm, or custom-configured sizes to fit any proprietary ceiling modular suspension grid framework.

Company Profile: Shenzhen Snow Peak Clean Technology Co., Ltd.

An integrated high-tech enterprise dedicated to advanced air filtration research, domestic manufacturing, and international B2B exportation.

Shenzhen Snow Peak Clean Technology Co., Ltd. is a leading integrated high-tech enterprise specializing in air filtration products research, development, state-of-the-art production, worldwide sales, and import/export trade. We design and deliver clean air solutions across a highly diversified product catalog including:

  • Primary HVAC Protection: Washable metal mesh pre-filters, synthetic pocket filters, and high-holding capacity ceiling cotton.
  • High-Efficiency Solutions: Advanced mini-pleated HEPA filters, deep-pleat high-temperature filters, and high-efficiency W-shape (V-Bank) carbon-composite ventilation grids.
  • Specialized Remediation: Chemical gas-phase filters, activated carbon honeycomb structures, and VOC removal systems.
  • OEM Replacement Line: Precise replacement cartridges for consumer air purifiers and commercial wet humidifier pads.

Combined with our self-developed patented technology, our sterilizing antiviral HEPA filter can effectively filtrate fine particulate matter down to PM2.5 concentrations of less than 10 micrograms per cubic meter—performing 5 times better than the current national baseline. By combining silver-ion coatings and organic compounds, they effectively inhibit micro-organism breeding with a sterilization rate of up to 99.9% without producing secondary air pollutants, and achieve an H1N1 influenza virus eradication efficiency of 99.99%.

Operational Footprint

Serving microelectronics, pharmaceuticals, hospital operating rooms, testing laboratories, clean educational institutions, and heavy commercial spaces globally.


Technical Support: [email protected]

B2B Inquiry Line: [email protected]

Global Logistics: Shenzhen Port Hub / Hong Kong Hub

Manufacturing Infrastructure & Technical Assets

Equipped with AMADA CNC punch and bending systems and fully automated dust-free HEPA filter production lines, we ensure zero leaks and mechanical resilience.

Precision gluing machine for HEPA filters

Automated Gluing Systems

High-precision polyurethane hot-melt dispensers ensure consistent pleat spacing, structural support, and hermetic edge seals.

Automated media cutting machine

Digital CNC Cutting

Ensures exact raw filter media dimensions for custom frame structures, reducing material stress and pleat deformation.

Sealing and gluing station

Frame Channel Gluing

Perimeter bonding locks the mini-pleat pack into aluminum or steel frames to eliminate bypass leak paths.

Compound filter media processing

Compound Media Fusion

Laminating fiberglass or synthetic media with support layers to optimize physical strength and aerodynamic resistance.

Media pleating machinery

Mini-Pleat Production Line

Automated pleating controls pleat height (from 35mm to 96mm) and optimizes total surface area per square foot.

Pleating inspection and assembly

Pleat Density Stabilization

Continuous web alignment monitoring guarantees uniform pleat density and structured laminar air flow profile.

Our Industrial Quality Assurance Ecosystem

Supported by a rich background of over 15 years in international air purification technology, our manufacturing capabilities are supported by standardized ISO 9001 workshops and class 10,000 dust-free testing facilities. Our quality verification procedure integrates modern laser-spectrometer particulate scanners to examine the entire face of every 24x48 HEPA filter. Each filter is individually checked for leaks using oil aerosols (PAO/DOP test) to guarantee EN1822 compliance before packing and shipping.

Our fabrication facility is equipped with advanced steel processing systems, including AMADA CNC punch presses and CNC bending machines. This allows us to manufacture highly durable customized outer casings—such as gel-seal knife-edge designs, header frames, and flange profiles—with tolerances within 0.1 mm.

Industrial Applications of 24x48 HEPA Filtration

Our filters are designed for reliable performance in cleanrooms, heavy machinery environments, and specialized ventilation systems.

Microelectronics & Semiconductor Cleanrooms

Class 10 to Class 100 laminar cleanrooms require high air-change rates. The 24x48 inch FFU module is standard here because it matches cleanroom ceiling grids perfectly, ensuring uniform, non-turbulent vertical air streams that sweep contaminants away from silicon wafers.

Biomedical Processing & Pharmaceutics

Sterile compounding, vaccine vial filling, and animal cage racks require strict bacterial control. Our sanitizing HEPA filters remove 99.99% of biological contaminants, preventing microbial growth and contamination in sensitive pharmaceutical production areas.

Automotive Paint Spray Booths

To achieve flawless paint finishes, spray booths need micro-particle-free airflow. Our filters catch lint, dirt, and overspray dust particles, while our high-temperature and carbon-composite media options remove gaseous VOCs from the air stream.

Air Filtration Technology Roadmap

Our engineers focus on three main areas of development to improve filtration efficiency, reduce energy use, and support environmental sustainability.

1. Advanced ePTFE vs. Micro-Glass Media

Traditional borosilicate glass fibers hold a high dirt load but create a larger pressure drop. We are shifting toward expanded Polytetrafluoroethylene (ePTFE) membrane media. ePTFE delivers H14 to U16 efficiency levels with up to 40% lower pressure drop, helping factories reduce FFU fan energy consumption.

2. Low-VOC Polyurethane and Fluid Gel Seals

Modern semiconductor lithography tools are sensitive to chemical outgassing. Our updated product lines use ultra-low outgassing polyurethanes and specialized liquid gel seals. These materials prevent the release of organic silicon compounds or plasticizers into the cleanroom, protecting sensitive optics.

3. Direct Integration with Smart Buildings

Future cleanrooms will monitor filters in real time. We are developing built-in RFID tags and thin differential pressure sensors. These tools allow building management systems (BMS) to track each filter's performance, schedule maintenance based on actual dust load, and avoid unnecessary early replacements.

"Using ePTFE membranes in 24x48 HEPA configurations helps large semiconductor fabrication facilities reduce their carbon footprint while maintaining strict ISO Class 3 air cleanliness standards."

B2B Sourcing & Engineering FAQ

Technical details and buying guidelines for purchasing, installing, and maintaining industrial 24x48 HEPA filtration units.

Q1: Why is the 24x48 inch sizing standard in cleanroom design?
The 24x48 inch (approximately 610x1220 mm) dimension is standard because it fits perfectly into the 2x4 foot suspended ceiling grids used in modular cleanrooms. This size allows standard Fan Filter Units (FFUs) to provide uniform air coverage. It also maintains a good balance between weight, frame strength, and ease of installation.
Q2: What is the difference between dry gasket seal and liquid gel seal designs?
Dry seals use Neoprene or EPDM gaskets compressed against a flat frame surface. Liquid gel seals feature a knife-edge frame that sinks into a fluid, self-healing polyurethane or silicone gel channel. Gel seals provide a more reliable, zero-leak barrier in high-security spaces like Class 10 pharmaceutical sterile rooms or semiconductor manufacturing lines.
Q3: How often do 24x48 industrial HEPA filters need to be replaced?
In standard cleanrooms with clean pre-filtration systems, a HEPA filter lasts 3 to 5 years. The typical replacement point is when the clean filter's pressure drop doubles (often between 250 Pa and 300 Pa), or if an onsite aerosol scan detects a physical leak in the media.
Q4: Can these filters be customized for high-temperature applications?
Yes. For sterilization tunnels or painting ovens, we build high-temperature HEPA filters with stainless steel frames, glass fiber media, and high-temp silicone or ceramic seals. These specialized filters can operate continuously at temperatures up to 250°C (482°F) or 350°C (662°F) without outgassing or losing structure.
Q5: How does your factory ensure compliance with EU EN1822 standards?
Every filter undergoes quality control testing before shipment. We use a laser particle counter and oil aerosols (DEHS/PAO) to measure filtration efficiency at the most penetrating particle size (MPPS). Customers receive an individual test report showing the serial number, verified efficiency rating, air volume, and pressure drop.