VK Pro Particulate Filter Report 1
VK Pro Particulate Filter Report 2

Filter Report

VK Pro Particulate Filter, April 2022

Introduction

For an air purifier to effectively remove harmful microorganisms and improve indoor air quality, it must be able to efficiently remove particulate matter from the air. Particulate matter — physical contaminants such as dust, dirt, pollen, and smoke — is understood to be a significant risk factor to respiratory health1 and is known to exacerbate the spread of airborne viruses2.

Larger particulates can be easily filtered using conventional mechanical meshes or pre-filters. However, fine and ultrafine particulate matter (the kind that can be inhaled unnoticed and pose a substantial risk) requires specialized filter material.

Not all particulate matter filters are created equal, so ensuring they are classified to a set of internationally recognized standards is vital to reliable air filter performance, and ultimately allowing an air purifier to maintain good indoor air hygiene and safety.

VK Pro Particulate Filter Report 3
Filter under test

VK Pro Particulate Filter

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Compatibility

VK Pro, VK 103

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Test methodology

HEPA filter classification (EN 1822-4)
MERV filter rating (ASHRAE 52.2-2017)

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Facility

Mann+Hummel, UK and USA

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Date

April 2022

Standards

HEPA classification
A HEPA (High Efficiency Particulate Air) filter is a mechanical air filter with a minimum class of H13 that can remove at least 99.97% of airborne particles with a size of 0.3µm (microns)3. HEPA classification was performed according to the EN 1822-4 European standard.

 

MERV rating
Minimum Efficiency Reporting Values (MERV) is a rating system developed to act as a comprehensive measure of an air filter’s performance. It rates an air filter’s ability to capture a range of particle sizes between 0.1 and 10µm. The MERV rating was performed according to the ASHRAE 52.2-2017 standard.

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Results

HEPA Classification:

H14

MERV Rating:

MERV 16

HEPA Classification

The VK Pro Particulate Filter achieved a >99.995% efficiency, achieving the best possible HEPA classification of H14:

MERV Rating

The VK Pro Particulate Filter achieved efficiencies of >95% for each of the three particle size categories, achieving the maximum MERV 16 rating:

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[1]: United States Environmental Protection Agency. “Health and Environmental Effects of Particulate Matter (PM)”. 2022. EPA. https://www.epa.gov/pm-pollution/health-and-environmental-effects-particulate-matter-pm
[2]: Nor, N.S.M., Yip, C.W., Ibrahim, N. et al. Particulate matter (PM2.5) as a potential SARS-CoV-2 carrier. Sci Rep 11, 2508 (2021). https://doi.org/10.1038/s41598-021-81935-9
[3]: United States Environmental Protection Agency. “What is a HEPA filter?” 2022. EPA. https://www.epa.gov/indoor-air-quality-iaq/what-hepa-filter