【ベストコレクション】 hepa filter classification 904625-Original miele hepa filter classification 13
Name of Technology Paper/Nonwoven Filter High Efficiency Particle Air (HEPA) Filter Ultra Low Penetration Air (ULPA) Filter (also referred to as Extended Media)EN 12 and ISO In Europe, EPA, HEPA and ULPA filters are subject to classification according to EN 12 for filtration efficiency and zero leakage HEPA and ULPA filters are also subject to individual tests The international standard ISO is based on European standard EN 12 and will probably replace this standard in the futureThroughout Europe, air filters are classified according to two standards ISO 160 for course and fine filters, and EN19 for HEPA and ULPA filters Understanding Hepa Filters Cibse Journal Original miele hepa filter classification 13