Rectangular backdraft valve 220x90mm ventilation. The backdraft valve is designed to prevent the return of odors, moisture, and dust from the ventilation duct back into the space. Suitable for bathrooms, kitchens, and other areas with mechanical ventilation.

• Prevents the backflow of air, odors, and moisture.
• Suitable for square ventilation ducts.
• Easy and quick installation without tools.
• Sealing with silicone for complete airtightness.
• Durable ABS plastic body.
• Quiet operation.
• Operating temperature range: -20°C to +60°C.

Technical data:

• Model: green nrt.
• Type: Square backdraft ventilation.
• Material: ABS plastic.
• Dimensions: 220 × 90 mm.

Advantages:

• Prevents air from flowing back.
• Protects against insects, dust, and external odors.
• Ideal for bathroom or kitchen fans.
• Simple installation and maintenance.