TECHNOLOGY / OPERATING PRINCIPLE
• The PFG grille is a return air grille specifically designed for cleanrooms and operating theaters. It incorporates a filter and a damper that can be adjusted from inside the room.
• In cases of unidirectional air supply, it is recommended to position the GFF SP return air grilles in the corners of the room.
RANGE
17 standard sizes:
• for filters with dimensions from 305 x 150 to 762 x 762,
• for filters with efficiency G4* to F7*,
• special size 5.5 grid for false ceilings.

