Filtration and disinfection
According to the manufacturer it neutralises 99% of PM2.5 particles, 99.96% of bacteria and 99.99% of viruses, and captures particles as small as 0.01 µm.
MESP – micro-electrostatic air filtration
MESP® (Micro-Electrostatic Precipitator) is AirQuality Technology's micro-electrostatic filtration technology. It uses a strong electric field to capture airborne particles – dust, soot, smoke, pollen and microorganisms – while the air passes through the filter with little resistance.
In brief
Particle filtration without replaceable filter inserts
The air first passes through a pre-filter and then a charging grid, where the particles receive an electric charge. The charged particles are captured by the strong electric field of the honeycomb MESP matrix. The filter is washable, so there are no disposable filter inserts to replace regularly.
The How does MESP work? page explains the operation in detail.
Features
Key features of MESP
The figures are manufacturer data; the actual result always depends on the specific system and operating conditions.
Low pressure drop
The air does not have to be forced through dense fibrous filter media: the resistance of a MESP filter is typically 10–50 Pa, compared with 150–350 Pa for HEPA filters.
Washable filter
The filter can be reused immediately after washing, with no loss of efficiency. The manufacturer designed it for a service life of more than 10 years.
Safe operation
It operates at 6–10 kV with a current of about 1 µA, so there is no risk of electric shock, arcing or sparking. According to the manufacturer it produces practically no ozone.
Wide operating range
It operates between –15 and 50 °C, even at up to 100% relative humidity; the filter material is flame-retardant.
Lower energy demand
Because of the low resistance, the fan has to do less work. According to the manufacturer, fan energy consumption is 50–60% of that of a HEPA filter solution.
Measured results
Independent laboratory measurements on MESP products
The test reports can be downloaded on the product pages; the results apply to the tested sample and to the conditions described in the report.
MERV 16
EAF 4"
ASHRAE 52.2-2017, 984 cfm: E1 99.3% · E2 100% · E3 100%; ozone 4.3 ppb
LMS Technologies (USA), 2026
Test report on the product page44,7 Pa
EAF 4"
Resistance at 2.5 m/s; fractional efficiency 0.3–0.4 µm: 94.7%, 1.0–1.3 µm: 98.3% (ISO 16890)
Jianke EET, CNAS, 2026
Test report on the product pageMERV 16
FAH-G-AE
ASHRAE 52.2-2017, 1700 m³/h: E1 96,7% · E2 99,5% · E3 100%
LMS Technologies (USA), 2025
Test report on the product pageMERV 16
FAH-M-BE
ASHRAE 52.2-2017, 1000 cfm: E1 95.1% · E2 98.1% · E3 98.9%
LMS Technologies (USA), 2025
Test report on the product page
Awards and certificates
International awards, downloadable certificates
AirQuality Technology's MESP technology has received several international professional awards. The CE (EMC, LVD, RoHS), UL, ETL and CB certificates of the product families distributed by NUXON – 47 documents in total – and 64 test reports from independent laboratories can be downloaded on the product pages.
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