NFX_15-211_Brief.pdf

"Laboratory fume hoods – Ductless Filtered Fume Hoods – Classification, Performance, and Test Methods." Scope: Ductless Fume Hoods are classified according to filtration type (e.g., organic vapors, acids, formaldehyde). Test methods include airtightness, filtration efficiency, breakthrough time, and safety requirements.

Widely used as a core technology reference by manufacturers in Europe and globally.