SAILFLO 4 Inch Wall-Mounted Exhaust Fan, 12W Ventilation Extractor with Anti-backflow Check Valve Chain Switch for Window Duct Glass Grow Tent Bathroom Vents - 6"×6" Grid Panel - Small Size — Open-Box, 20% Off

【Upgraded Fan】​When installed on glass or walls, it effectively prevents dust, leaves, pollen, and backflow with the wind-proof ABS sheet. The removable lattice filter is easy to clean. This 4-inch exhaust fan delivers a consistent airflow of 76 CFM at a fixed speed of 1300 RPM, and features a simple pull-chain switch for easy on/off operation, even when mounted at height

【Energy Saving】​Constructed from lightweight, eco-friendly ABS material with excellent heat resistance and durability, this fan ensures stable performance. It operates at an energy-efficient 12W power consumption, significantly reducing electricity costs

【Durability】​Equipped with an axial pipe fan for optimal cooling and a sealed pure copper motor, it generates minimal heat during extended operation, resulting in a longer lifespan and reliable performance

【Overheat Protection】​The built-in overheating protection device automatically cuts off power when the motor overheats, providing dual safety protection and preventing potential hazards

【Easy Installation】​Ideal for spaces requiring ventilation, such as kitchens, offices, stores, living rooms, bathrooms, or areas with poor air circulation or pollution

Upgrade your space with our high-performance 4-inch exhaust fan, designed to deliver reliable ventilation with energy-efficient operation. Crafted from eco-friendly ABS material, this fan is lightweight, durable, and resistant to deformation, ensuring long-lasting use in various environments. Its wind-proof ABS sheet effectively prevents dust, leaves, pollen, and backflow, making it ideal for maintaining clean air quality. The removable lattice filter allows for easy cleaning, while the simple pull-chain switch enables effortless on/off control, even when mounted at height—no complex adjustments needed. Experience consistent airflow with a fixed speed of 1300 RPM, producing a steady 68 CFM output to optimize cooling and air circulation. With a low power consumption of just 12W, this fan operates efficiently to reduce energy costs without compromising performance. The axial pipe fan and sealed pure copper bearing motor work together to minimize heat generation, extending the fan's lifespan and ensuring quiet, reliable operation over time. Safety is a priority, thanks to the built-in overheat protection device that automatically cuts power if the motor overheats, providing dual protection against potential hazards. Installation is straightforward, suitable for a wide range of settings including kitchens, offices, stores, living rooms, bathrooms, and any areas with poor air circulation or pollution. Whether for residential or commercial use, this exhaust fan offers a practical solution for enhancing ventilation, promoting a healthier and more comfortable environment