The gravitational exhaust shutter is intended for wall mounting in a vertical position. The louvre blinds are opened under the influence of an incoming air stream. The use of blinds eliminates back draft on the principle of a check valve.

Technical data

• light and easy to install
• quiet work
• hygienic and easy to clean
• Venetian blinds reduce heat loss and protect the interior of the ventilation duct (room) against atmospheric factors
• blinds are made of mechanically durable and UV resistant ABS (blinds sizes 160-800) or polypropylene (sizes 100-125)