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EN 779 - Ulpatek
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Pocket Filters available in Filter Classes G3 – G4
HVAC Bag Filters, General Purpose G3, G4, M5 to EN779:2012 by Airclean
V Pleated Panel Air Filter G4 to EN779 - The Filter Business
VILEDON P15 G2 to G4 Filter Mats
HS-Luftfilterbau GmbH - Normrevision EN779:2012
ISO 16890 Replaces EN 779
Air filter classes / efficiency charts (MERV, ISO) : overview
Washable Pleated Pre Panel Filter HEPA Filter with G3/G4/M5 (EN779) Air Filter for Hospital/Electronics and Cleanroom - China Replaceable High Efficiency Ceiling Module and HVAC Systems in Pharmaceuticals
Pleated Panel Air Filter Lattice G4 to EN779:2012 by Airclean
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Information | MVHR Filter class - fairair
Washable Pleated Pre Panel Filter HEPA Filter with G3/G4/M5 (EN779) Air Filter for Hospital/Electronics and Cleanroom - China Replaceable High Efficiency Ceiling Module and HVAC Systems in Pharmaceuticals