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ST-25 Window Fan Formaldehyde Removal Fan

The ST-25 window fan is an efficient solution for home formaldehyde removal and dehumidification. With its copper core motor and thickened fan blades, it delivers powerful airflow. The check valve design prevents backflow and mosquito pests. Easy to install, it's ideal for creating a healthy indoor environment.
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  • ST-25

  • SNTOOM

Product advantages and features

  1. Powerful Airflow & Formaldehyde Removal

  2. Multifunctional All-in-One Design

  3. Durable Copper Core Motor

  4. Anti-Regurgitation & Mosquito Prevention

  5. Large Air Volume & Silent Operation

  6. Easy Installation & Wide Application

Installation and Instructions

  1. First, choose a suitable window or wall location. Ensure the area is clean and flat. Position the fan and mark the mounting holes.

  2. Drill holes at the marked spots according to the fan's size. Use appropriate tools to ensure precise drilling for secure installation.

  3. Align the fan with the drilled holes. Insert screws and tighten them firmly to fix the fan in place. Check for stability.

  4. Finally, connect the fan to the power source. Test the fan to ensure it operates smoothly and effectively for formaldehyde removal.

Note:When using the ST-25 window fan, ensure it's securely installed. Avoid using aluminum wires; it requires a pure copper motor connection. Regularly clean to prevent blockages and ensure optimal airflow.

ST-25 window fanST-25 Window Fan 6 Major FeaturesST-25 window fan can remove smokeST-25 window fan suitable environmentST-25 window fan suitable environmentST-25 window fan suitable environmentST-25 window fan suitable environmentSide view of ST-25 window fanST-25 window fan for formaldehyde removalST-25 Window Fan Dimensional Drawing

Product parameters                                                                                          

Models Specifications Voltage Rated Frequency Rated power
ST-25 250MM 220V 50Hz 35W

Detail drawing of ST-25 window fanDetail drawing of ST-25 window fanDetail drawing of ST-25 window fan

ConfidenceCustomer feedbackAbout usPacking and shipping

ST-25 Window Fan: The Ultimate Solution for Effective Ventilation


The ST-25 Window Fan is a versatile and efficient appliance designed to enhance indoor air quality by providing powerful exhaust ventilation. This fan is particularly useful in newly renovated homes or spaces where removing formaldehyde and other pollutants is crucial for a healthy environment.

As an essential type of Industrial Ventilation AC Duct Flow Axial Fans, the ST-25 excels in maintaining continuous airflow. Its Axial Fan design ensures large air volume output with no residual smoke, making it ideal for both residential and light industrial applications. The fan operates with a robust Copper core motor, guaranteeing durability and consistent performance.

One of the standout features of the ST-25 is its safe and stable installation. Designed to fit seamlessly into windows or walls, this Safe and Stable Window Fan includes a check valve that auto-closes to prevent backflow and resist mosquitoes, enhancing user comfort and safety.

The fan's multifunctional all-in-one design includes a thickened fan blade for integrated, powerful wind delivery. Additionally, it boasts six major core upgrades, such as high-temperature resistance, waterproof and oilproof capabilities, and balanced air delivery, ensuring attention to every detail for optimal performance.

In summary, the ST-25 Window Fan is a reliable and efficient solution for improving indoor air quality, offering powerful exhaust ventilation and stable operation. Its thoughtful design and advanced features make it an excellent choice for anyone seeking a healthier living environment.


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Electric Co., Ltd. was established in2009 , specializes in the production of various high-low-voltage equipment.

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 86-577-61721053.
     86-577-56848069.
     86-1336978582.
     86-15657768868.
   No.218,Liule Road,Liushi Town325604,Yueqing City,Wenzhou City,Zhejiang Province,China
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