Pleated filters
Flat filters
Battery protection nets
Filters or corrugated cells
Special filters
Regulations and classifications
UNI EN ISO 16890
On January 1st, 2017, the new global ISO 16890 standard came into effect, but it replaced the previous one only in May 2018.
The most significant change concerns the filter classification criteria: filters are now classified based on their ability to capture fine dust particles, generally identified as PM10, PM2.5 and PM1.
PM stands for “Particulate Matter,” meaning atmospheric particulate or airborne material. The acronym refers to suspended particles present in the air we breathe every day, commonly known as fine dust or particulate. The number following the PM acronym, for example 10, indicates the particle diameter, which can range from 10 to 1 microns.
- PM10 – particulate composed of particles with a diameter smaller than 10 µm down to 0.3 µm
- PM2.5 – particulate composed of particles with a diameter smaller than 2.5 µm down to 0.3 µm
- PM1 – particulate composed of particles with a diameter smaller than 1 µm down to 0.3 µm
Global regulations
The new parameters are globally applicable and set standards that are valid worldwide. ISO 16890 has thus replaced the European standard EN 779 and ASHRAE 52.2, which characterized the American market.
Nuovi test
ISO 16890 tests filters with particles ranging from 0.3 µm to 10 µm. The previous EN 779 standard only tested particles with a diameter of 0.4 µm. This means that filters are now tested under conditions that are much more similar to real life.
New categories of efficiency
Four new filter groups have been introduced: coarse, ePM10, ePM2.5, and ePM1. The prefix “e” simply stands for efficiency. To be included in a certain category, filters must be capable of capturing at least 50% of particulate matter corresponding to the specified size. Filters that capture less than 50% of PM10 dust fall into the coarse group.
Class table
| Group | Class | Reference value | ΔP Final (Pa) | ||
|---|---|---|---|---|---|
| ePM1 min | ePM2,5 min | ePM10 | |||
| 0,3 ≤ x ≤ 1 | 0,3 ≤ x ≤ 2,5 | 0,3 ≤ x ≤ 10 | |||
| ISO Coarse | – | – | < 50% | Initial gravimetric arrest | 200 |
| ISO ePM10 | – | – | ≥ 50% | ePM10 | 300 |
| ISO ePM2,5 | – | ≥ 50% | – | ePM2,5 | 300 |
| ISO ePM1 | ≥ 50% | – | – | ePM1 | 300 |
Fill out the form
Request information
Would you like to receive further details? Write to us and we will reply as soon as possible!
"*" indicates required fields
Product catalog
