Designed Specifically for a 170x250mm / 6.7x10'' Size, Providing an Ideal Fit for Various Ventilation Openings. Provides Excellent Airflow and Ventilation, Promoting a Fresh and Comfortable Atmosphere. High-quality ABS Plastic Construction Resistant to Weather Conditions, UV Rays, and Corrosion, Ensuring Long-lasting Performance. Built-in Insect Screen, Effectively Prevents Insects and Other Unwanted Objects from Entering Your Space. Airflow Regulator Allows you to Adjust and Control the Amount of Airflow for Personalized Comfort. Suitable for both Indoor and Outdoor Use, Providing Versatile Ventilation Solutions for Different Environments. Sleek and Unobtrusive Design Enhances the Aesthetic Appeal of any Space. Easy Installation with Pre-drilled Mounting Holes, Allowing for Quick and Secure Attachment. Lightweight and Compact, Making It Convenient to Handle and Transport. Made in Europe. Weight: 0.3527396192 Pounds.