100mm White 140mm x 140mm Flap Ventilation Grille with Mosquito Net for HVAC, Hood, Outdoor Cover, Dryer, Exhaust Fan, Bathroom, Garage

【Gravity Drawing】 This gravity ventilation automatically opens with the airflow of dryers or exhaust fans; it closes tightly when not in use, to block cold drafts, dust and rainwater, and preserve the integrity of your ventilation system.

【PP Construction】 Louvre wall ventilation is made of high quality PP plastic, with excellent durability and corrosion resistance, to protect your ventilation system. It includes a built-in mosquito net and 4 screws for stable and durable mounting. ​

【100MM VENTILATION PIPE PIPE】Mesh panel size 140mm x 140mm;Ventilation outer diameter: 99mm - Ideally compatible with 100mm ventilation pipes, serves as a perfect ventilation cover for indoor and outdoor air intake and exhaust systems.

【Easy to Install】Equipped with pre-drilled mounting holes and a lightweight design, this wall skylight with insect grid allows quick installation on exterior walls - no complex installation required, making it easy to improve home ventilation with this convenient ventilation solution.

【Versatile Use】Ideal for bathrooms, kitchens, offices, vacuum systems, basements, warehouses and exterior walls, meets residential and commercial requirements and expands your use scenarios.