SAILFLO 4 Inch Wall-Mounted Exhaust Fan, 12W 130m³/h Ventilation Extractor with Anti-backflow Check Valve Chain Swit

SAILFLO Duct Fan Protect your health Current people may stay where there is no air and breathe turbid air, resulting in irritability, depression, and serious illness. Like humans, animals, plants and architecture have such problems. That's why it's very important to choose the right ventilation fan. Applicable place: this duct ventilation fan with high static pressure, large air flow, low noise design suitable for work places, gymnasiums, factory offices, machine rooms, conference rooms, luxury office buildings, public places, hotels, houses, hospitals, sports gyms, etc. Product specifications: Connection pipe: φ100 Voltage: 110V / 60Hz Power supply: 12W Ventilation rate: 130m³ / h Shell material: ABS Noise: 35-40dB Install Instructions 1. Installation location >> To install the ventilation fan, you can install it in a wall-embedded type or a ceiling-embedded type, and you can purchase one or several depending on your needs. 2. Space requirements >> In a sealed environment, there is a possibility of causing a pressure difference in excess air flow. To avoid these problems and ensure air circulation, intake and exhaust are required and do not vent in one direction. 3. Noise >> 35-40dB, so please keep away from the bed when installing in the bedroom. 4. About the wind speed >> The airflow reaches 130m³ / h in a specific test environment, but there are differences in airflow depending on the environment. If the airflow is too large, you can install an airflow switch (sold separately). If the airflow is not enough, you can add a fan. 5. Axis balance >> When installed, check the fixing of the connecting part. Two-way ventilation fan Pull switch fan Inline duct fan Pull switch ✓ ✓ X Reversible airflow ✓ X X Open holes Squre Round Round

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