Round HEPA filter cartridges represent the pinnacle of air filtration technology, engineered for demanding industrial and cleanroom environments where ultra-clean air is paramount. These cylindrical filters are designed to capture 99.99% of airborne particles as small as 0.3 microns, including dust, bacteria, viruses, and other contaminants. Unlike traditional panel filters, the round configuration of our HEPA filter cartridges optimizes airflow dynamics, making them ideal for compact systems and high-velocity applications.
Crafted with precision using advanced pleated media and robust housings, round HEPA filter cartridges ensure maximum efficiency and extended service life. They are widely utilized in sectors requiring stringent air quality standards, such as pharmaceuticals, semiconductors, and biotechnology. Our round HEPA filter cartridges are manufactured to meet or exceed international standards like EN 1822 and IEST-RP-CC001, providing reliable performance in terminal filtration, pre-filtration setups, and integrated HVAC systems.
The unique round shape facilitates seamless integration into cylindrical housings and ductwork, reducing pressure drop while maintaining superior particle retention. Available in various diameters and lengths, these cartridges offer flexibility for custom applications, ensuring your air purification needs are met with unmatched reliability and efficiency.
| Parameter | Specification |
|---|---|
| Filtration Efficiency | H13 (99.99% @ 0.3μm) / H14 (99.995% @ 0.3μm), EN 1822 certified |
| Filter Media | Borosilicate microfiber glass, wet-laid or melt-blown |
| Separator | Hot-melt beads or aluminum foil, spacing 2.5-3.5mm |
| Frame/Housing | Galvanized steel, stainless steel (304/316), or anodized aluminum |
| Gasket Material | Polyurethane gel, silicone, or EPDM |
| Nominal Diameter | 250mm, 320mm, 400mm, 500mm, 610mm (custom sizes available) |
| Length | 300mm to 1,200mm (standard increments of 150mm) |
| Air Flow Rate | 500-5,000 m³/h (depending on size and velocity) |
| Initial Pressure Drop | 100-250 Pa @ rated flow |
| Recommended Final Pressure Drop | 500-600 Pa |
| Maximum Operating Temperature | 250°C (dry), 120°C (with gel seal) |
| Humidity Resistance | Up to 100% RH |
| Service Life | 2,000-5,000 hours (application dependent) |
| Standards Compliance | EN 1822, ISO 29463, IEST-RP-CC001, UL 900 Class 1 |
Note: Specifications are subject to customization based on application requirements. Contact our engineering team for detailed performance curves and DOP/ULPA testing data.

Round HEPA filter cartridges excel in environments demanding ISO Class 5-8 cleanrooms and beyond. In pharmaceutical manufacturing, they safeguard sterile processes by preventing microbial contamination during aseptic filling and tablet compression. For semiconductor fabrication, these cartridges maintain particle-free air in photolithography and wafer processing bays, protecting sensitive chips from nanoscale defects.
In hospital and laboratory settings, round HEPA filter cartridges are integral to HVAC systems for operating theaters, isolation rooms, and PCR labs, effectively trapping viruses and aerosols to ensure patient safety and research integrity. Electronics assembly lines benefit from their low-turbulence airflow, minimizing static and particulate interference during PCB soldering and testing.
Additional applications include food and beverage processing for odor and allergen control, nuclear facilities for radioactive particle containment, and aerospace paint booths for overspray filtration. Their versatility extends to mobile clean units, glovebox isolators, and high-humidity environments like biotech fermenters, where reliable performance under variable conditions is essential.
Opting for our round HEPA filter cartridges delivers tangible benefits over conventional filters. Their cylindrical design maximizes media utilization, providing up to 30% more filtration surface area in the same footprint, which translates to lower energy consumption and reduced operational costs. The precision-pleated media ensures uniform airflow distribution, preventing hot spots and premature clogging.
Superior sealing technology eliminates bypass leakage, guaranteeing 100% filtration efficiency even at elevated pressures. With a proven track record of exceeding 4,000 hours in real-world tests, these cartridges reduce replacement frequency by 25-40%, minimizing downtime and labor expenses. Environmentally conscious manufacturing uses recyclable materials, supporting sustainability goals without compromising performance.
Furthermore, our round HEPA filter cartridges undergo rigorous integrity testing, including scan tests and efficiency validation, ensuring compliance with GMP and FDA guidelines. This reliability fosters trust in your air quality management, enhancing product yield and regulatory adherence across global operations.
As a leading manufacturer of round HEPA filter cartridges, we combine decades of expertise with state-of-the-art production facilities to deliver unparalleled quality. Our ISO 9001-certified processes incorporate automated pleating lines, robotic assembly, and on-site testing labs equipped for MPPS and Dioctyl Phthalate (DOP) challenges, ensuring every cartridge meets exacting standards.
We prioritize innovation, offering custom-engineered solutions like antimicrobial coatings and integrated sensors for real-time pressure monitoring. Global supply chain efficiency enables rapid prototyping and delivery, with stock availability for standard sizes. Backed by comprehensive warranties and technical support from our international team of filtration engineers, we empower your business with dependable, high-performance round HEPA filter cartridges.
Our commitment to excellence is reflected in partnerships with Fortune 500 companies in pharma, electronics, and healthcare, where our products have consistently outperformed competitors in lifecycle testing and cost savings.
What is the difference between round HEPA filter cartridges and standard panel HEPA filters?
Round HEPA filter cartridges feature a cylindrical form factor optimized for radial airflow in compact housings, offering higher flow rates and easier integration into cylindrical ducts compared to flat panel designs.
Yes, select models withstand up to 250°C, making them suitable for autoclave vents, drying ovens, and exhaust systems. Specify temperature requirements during ordering for optimal media selection.
Size selection depends on required airflow (m³/h), face velocity (0.45 m/s recommended), and housing dimensions. Our technical team provides free sizing calculations based on your duct specifications.
Monitor differential pressure; replace when it reaches 500-600 Pa. No cleaning is recommended, as it can compromise integrity. Visual inspections for damage are advised during routine HVAC checks.
Absolutely. All products comply with EN 1822 H13-H14, ISO 14644, and carry third-party certifications. DOP and PAO scan tests confirm leakage rates below 0.003% of upstream concentration.
Yes, including non-standard diameters, lengths, gasket types, and media grades. Lead times for customs are 4-6 weeks, with prototypes available in 2 weeks.
2,000-5,000 hours, varying by contaminant load and airflow. In clean environments, lifespans often exceed 4 years with proper monitoring.