1. Louvre air vents are made of ABS plastic, environment friendly and non-toxic. 2. Easy installation, available for wall mounting or ceiling mounting. May be conneted to dryer vent or any other vent systems HVAC part. 3. Built-in fly screen mesh to reduce dust into kitchen or bathroom. 4. For Intake or extraction use, for outside or inside, for walls or ceilings, great for garages, sheds, offices, bathroom, RVs or campers, and anywhere else air is desired to travel through. 5. Material: ABS
