Check valve 100 for AirRoxy fans. A ventilation component that prevents air from flowing back into the room. Designed for AirRoxy fans with a diameter of 100.

• Neat premium prestige dry arc.
• Mounting on the fan flange.
• Prevents pollutants from entering the room from the ventilation chimney.
• Ensures air flow in only one direction.

Manufacturer code: 07-197

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