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A HEPA filter is a high-efficiency air filter that captures 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, smoke, and bacteria. Commonly used in air purifiers, it significantly improves indoor air quality.
A HEPA (High Efficiency Particulate Air) filter is a highly efficient air filtration device designed to remove at least 99.97% of airborne particles measuring 0.3 microns or larger. This includes dust, pollen, mold spores, pet dander, smoke, and certain bacteria and viruses. Widely used in residential, commercial, medical, and industrial environments, HEPA filters help maintain clean air by trapping microscopic contaminants that standard filters often miss. They are especially beneficial for individuals with allergies, asthma, or respiratory conditions. Typically part of multi-stage filtration systems, HEPA filters are often paired with pre-filters and activated carbon layers for comprehensive air purification.
HEPA filters are an essential component in air purification systems, engineered to deliver exceptional filtration performance in environments where air quality is critical. Originally developed for use in medical and aerospace applications, HEPA technology is now widely adopted in homes, offices, cleanrooms, laboratories, and industrial facilities. These filters work by forcing air through a fine mesh that traps harmful particles such as dust mites, smoke, pet dander, and microbial contaminants. Unlike standard filters, HEPA filters do not rely on chemical treatments; instead, they use mechanical filtration, making them safe and eco-friendly. In industrial settings, they are often integrated into fume extractors, dust collectors, and clean air cabinets to protect both equipment and personnel. Their effectiveness, reliability, and low maintenance requirements make HEPA filters a trusted choice for maintaining a cleaner, healthier environment
| Parameter | Specification |
|---|---|
| Filter Type | True HEPA (H13 / H14 grade) |
| Filtration Efficiency | ≥ 99.97% @ 0.3 microns (H13) |
| Particle Size Removal | Down to 0.3 microns |
| Air Flow Resistance | 150 – 300 Pa (varies with filter size/thickness) |
| Recommended Air Velocity | 0.45 – 0.6 m/s |
| Construction Material | Aluminum / Galvanized steel / Plastic frame |
| Media Material | Micro-glass fiber media |
| Sealant | Polyurethane or hot-melt adhesive |
| Gasket Type | Neoprene / PU Foam (Leak-proof seal) |
| Maximum Temperature | 80–120°C (depending on design) |
| Relative Humidity | Up to 100% (non-condensing) |
| Typical Lifespan | 6 – 12 months (usage & environment dependent) |
| Sizes Available | 300x300x75 |
