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nkSRPS EN 1822-1:2025

High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking

General information

30.99     May 15, 2026

40.10    Jun 4, 2026

ISS

M115

European Norm

English  

Scope

This document applies to high efficiency particulate and ultra-low penetration air filters (EPA, HEPA and ULPA) used in the field of ventilation and air conditioning and for technical processes, e.g. for applications in clean room technology or pharmaceutical industry.
It establishes a procedure for the determination of the efficiency on the basis of a particle counting method using a liquid (or alternatively a solid) test aerosol and allows a standardized classification of these filters in terms of their efficiency, both local and integral efficiency.

Life cycle

PREVIOUSLY

PUBLISHED
SRPS EN 1822-1:2019

NOW

PROJECT
nkSRPS EN 1822-1:2025
30.99 CD approved for registration as DIS
May 15, 2026

Related project

Adopted from prEN 1822-1 rev IDENTICAL