Industry News- Nantong Henka Environment Solutions Co.,Ltd.

13 Oct

Can You Clean a HEPA Filter Instead of Replacing? A Manufacturer's Guide

A few weeks ago, a maintenance manager asked us whether he could clean a HEPA filter instead of replacing it. He had rinsed the pleated panel under a tap, dried it in sunlight, and reinstalled it. Wi...
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09 Oct

How Long Does a HEPA Filter Last? Lifespan, Warning Signs & Replacement Guide

As an air filter manufacturer, we hear this question almost every week: how long does a HEPA filter last? The direct answer is that a quality HEPA filter will last anywhere from 6 months to 3 years, ...
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29 Sep

How Do HEPA Filters Work? Four Capture Mechanisms Explained in Plain English

HEPA filters work by forcing air through a dense mat of randomly arranged fibers, where airborne particles are captured by four physical mechanisms: inertial impaction, interception, diffusion, and e...
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21 Sep

Air Filter Pressure Drop Explained: What It Is, Why It Matters, and How to Choose Filters

A compact fresh air unit delivers barely half its rated airflow on the first day of commissioning. A residential air purifier tests well in the lab but hums loudly on the customer's nightstand. A hos...
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15 Sep

HEPA Filter Construction: Media, Design, and Application for Construction Dust

Construction dust is not a single problem. It is a mix of coarse debris, respirable silica, cement dust, and fine particles that can clog machinery and cause long-term health issues. A well-construct...
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08 Sep

HEPA Filter Micron Size Explained: Why 0.3 Microns Is the Performance Standard

When a specification sheet says "99.97% at 0.3 microns," the natural instinct is to read it as a pore size: a filter media with openings just small enough to stop particles larger than 0.3 microns, l...
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Can You Clean a HEPA Filter Instead of Replacing? A Manufacturer's Guide

How Long Does a HEPA Filter Last? Lifespan, Warning Signs & Replacement Guide

How Do HEPA Filters Work? Four Capture Mechanisms Explained in Plain English

Air Filter Pressure Drop Explained: What It Is, Why It Matters, and How to Choose Filters

HEPA Filter Construction: Media, Design, and Application for Construction Dust

HEPA Filter Micron Size Explained: Why 0.3 Microns Is the Performance Standard

Web Menu

Product Search

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Industry News

News categories

Exhibition Information

Can You Clean a HEPA Filter Instead of Replacing? A Manufacturer's Guide

How Long Does a HEPA Filter Last? Lifespan, Warning Signs & Replacement Guide

How Do HEPA Filters Work? Four Capture Mechanisms Explained in Plain English

Air Filter Pressure Drop Explained: What It Is, Why It Matters, and How to Choose Filters

HEPA Filter Construction: Media, Design, and Application for Construction Dust

HEPA Filter Micron Size Explained: Why 0.3 Microns Is the Performance Standard