News- Nantong Henka Environment Solutions Co.,Ltd.

19 Aug

HEPA Filter Rating Chart: Comparing MERV, EN 1822 H13/H14, and Efficiency

Two filter spec sheets sit on the same desk. One is marked "HEPA, 99.97% at 0.3 microns." The other is marked "H13, 99.95% at MPPS." Both vendors describe their products as HEPA filters, yet the numb...
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11 Aug

Mold on Air Filter: What It Means, Why It Grows, and How to Fix It Safely?

You pull the access door off the air handler, slide out the filter, and stop at the sight of dark, velvety patches spreading across the media. The conclusion first: mold on an air filter is a symptom,...
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04 Aug

How Does an Air Purification Box Improve Indoor Air Quality?

An air purification box is a compact, enclosed filtration unit designed to remove airborne contaminants from indoor spaces, ranging from dust and pollen to smoke particles and volatile organic compoun...
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27 Jul

What Makes HEPA Filters So Effective at Capturing Airborne Particles?

What Qualifies a Filter as True HEPA High-Efficiency Particulate Air filters commonly known as HEPA filters, are defined by a specific performance standard rather than a particular material or brand. ...
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21 Jul

How Do You Choose the Right HEPA Air Filter for Your Home?

What Makes a Filter Qualify as True HEPA A genuine HEPA air filter must meet a specific technical standard, capturing at least 99.97% of airborne particles measuring 0.3 microns in diameter. This part...
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16 Jul

How Does a HEPA Filter Work and Why Should You Use One?

HEPA filters have become a standard feature in air purifiers, vacuum cleaners, and HVAC systems, prized for their ability to capture extremely small airborne particles that ordinary filters allow to p...
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