2-Stage Self-Cleaning HEPA Filter Unit Types to be Installed in Technical Room Areas

Part 1: Smaller Air Capacities 300 – 7.200 m³ / h / Unit

Design according to:

Unit series:

OEL 1 – 3 single-walled units with welded and flanged modules

OEL 4 – 5 single-walled units with fully welded modules

OEL Level	OEL 1	OEL 2	OEL 3	OEL 4-5
HEPA filter efficiency EN 1822	H 14	H 14	H 14	H 14
Design Series	Budget	Economy	Standard	High Containment
HEPA cassette size mm	915 x 610 x 292	762 x 610 x292	610 x 610 x 292	305 x 610 x 292

Technical Rooms

Abbreviations / Type descriptions

Type of filter unit (example)

Design according to:

Unit series:

OEL 1 – 3 single-walled units with welded and flanged modules

OEL 4 – 5 single-walled units with fully welded modules

OEL Level	OEL 1	OEL 2	OEL 3	OEL 4-5
HEPA filter efficiency EN 1822	H 14	H 14	H 14	H 14
Design Series	Budget	Economy	Standard	High Containment
HEPA cassette size mm	915 x 610 x 292	762 x 610 x292	610 x 610 x 292	305 x 610 x 292

Part 2: Larger Air Capacities