PFG

Air Quality

Filter holder return grid for operating rooms and cleanrooms

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.

CONSTRUCTION / COMPOSITION

• Square mesh grille (20 x 20) in painted steel, white RAL 9010.
• Grille available in stainless steel as an option.
• Magnetic closure.
• Filter frame for screw fixing directly into the wall, ceiling, or plenum.
• Filters held tightly by movable tabs (filters sold separately).
• Integrated pressure tap.
* For filter correspondences between EN 779 Standard and ISO 16890 Standard, please consult the regulations.

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