Air Filtration Guide
An exploration of commercial and industrial air filtration—from core principles and filter technologies to industry-specific applications and frequently asked questions.
Filtration Fundamentals
Understanding the core concepts that define air filter performance and effectiveness.
What is MERV?
The Minimum Efficiency Reporting Value (MERV) rates a filter's ability to capture airborne particles. Higher ratings mean finer filtration. This chart shows what different MERV ratings can typically capture. Hover over the bars for more details.
HEPA & ULPA Filters
Essential for critical environments, True HEPA filters capture 99.97% of 0.3-micron particles. Be wary of "HEPA-type" filters, which have significantly lower performance. ULPA filters are even more efficient, used in the most sensitive applications like semiconductor fabs.
VOCs & Gaseous Pollutants
Volatile Organic Compounds (VOCs) are harmful gases from paints, cleaning agents, and industrial processes. They require specialized molecular filters, like activated carbon, which trap gases through a process called adsorption.
ACH & Airflow
Air Changes Per Hour (ACH) measures how often air in a space is replaced, a critical metric for infection control in hospitals. CFM (Cubic Feet per Minute) measures the volume of air a system moves.
Filter Explorer
Different environments demand different solutions.
Click on a filter type to learn about its function, benefits, and common applications.
Filtration Applications & FAQs
From sterile cleanrooms to rugged mines, air filtration needs are highly specialized.
Select an industry to see its unique challenges, solutions, and frequently asked questions.
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