This fan can breathe reversely by simply using the pull string. first time the fan turns on, second time, it reversely runs, third time the fan turns off and the shutter will be closed. It will keep your home well ventilated while reducing humidity. make you breathe fresh air and leave a comfortable environment for you. Product Details: Model:LFW-25DK Panel size: 350 × 350mm Opening size: 290*290mm Exhaust air volume: 800m³/h(470CFM) Air intake: 680 m³/h Noise: 40dB Power: 35W Speed: 900r/min Installation Precautions: 1. Installation location>> You can purchase 1 or more to meet your needs install it in the wall, glass or windows, DIY your own air circulation system. 2. Space requirements>> Do not vent in one direction in a closed environment. The installation environment requires intake and exhaust to ensure air circulation and avoid air pressure difference due to too much air flow. 3. About wiring>>Each exhaust fan has a 40cm standard wire, which is convenient for you to connect to the circuit. The installation position and layout are different for each customer, so there is no design plug, you can configure the plug or power switch according to your needs. 4. About noise>>30-40 dB, If you install it in the bedroom, please place it stay away from your bed. 5. About wind speed>> If the air volume is too large, you can equip it with a speed controller. Or you can add more fans if the air volume is not enough. 6. About after-sales service>> Please feel free to contact us if you have any confusion or problems.
- Dual-Direction Ventilation System: Equipped with a 2-way linkage mechanism, this window fan efficiently expels indoor air and draws in fresh outdoor air. The airflow direction is easily reversed using a pull-cord switch, offering flexible ventilation control for year-round comfort.
- High-Efficiency Performance: Delivers powerful airflow with 800 m³/h (470 CFM) exhaust capacity and 680 m³/h (400 CFM) intake capacity. Operates quietly at 43 dBA while consuming only 30 watts of energy, ensuring both power and energy savings in one compact design.
- Advanced Safety & Durability: Built with an overheat protector and precision temperature fuse for enhanced safety. Features a wear-resistant sleeve bearing motor capable of 9,000+ hours of continuous operation, providing reliable and silent performance over extended periods.
- Versatile & User-Friendly Design: Modern minimalist styling complements any interior decor. Ideal for kitchens, bathrooms, bedrooms, living areas, and commercial spaces. Detachable front panel simplifies installation and maintenance, adapting seamlessly to openings up to 11.6"x11.6".
- Precision Engineering & Support: Specifications: 10" impeller, 13.8"x13.8" grille, 5.3" frame depth, and 3.3-foot power cord. Backed by 24/7 customer service for pre-sales consultations and post-purchase assistance, ensuring a hassle-free experience.
- Dual-Direction Ventilation System: Equipped with a 2-way linkage mechanism, this window fan efficiently expels indoor air and draws in fresh outdoor air. The airflow direction is easily reversed using a pull-cord switch, offering flexible ventilation control for year-round comfort.
- High-Efficiency Performance: Delivers powerful airflow with 800 m³/h (470 CFM) exhaust capacity and 680 m³/h (400 CFM) intake capacity. Operates quietly at 43 dBA while consuming only 30 watts of energy, ensuring both power and energy savings in one compact design.
- Advanced Safety & Durability: Built with an overheat protector and precision temperature fuse for enhanced safety. Features a wear-resistant sleeve bearing motor capable of 9,000+ hours of continuous operation, providing reliable and silent performance over extended periods.
- Versatile & User-Friendly Design: Modern minimalist styling complements any interior decor. Ideal for kitchens, bathrooms, bedrooms, living areas, and commercial spaces. Detachable front panel simplifies installation and maintenance, adapting seamlessly to openings up to 11.6"x11.6".
- Precision Engineering & Support: Specifications: 10" impeller, 13.8"x13.8" grille, 5.3" frame depth, and 3.3-foot power cord. Backed by 24/7 customer service for pre-sales consultations and post-purchase assistance, ensuring a hassle-free experience.
