12 Inch Inline Duct Fan - High CFM Ventilation Blower with Variable Speed Controller, Quiet Energy Saving Exhaust Fan for Basement, Bathroom, Kitchen, Workshop & Home Use - Perfect for Air Circulation, Odor Removal and Humidity Control

Parameters:HF-PE Series:12 inchPower:250WAir Volume: 2206m³/hWind Pressure: 818paHole Size: 315mmVoltage: 110-240VRotating Speed: 2350r/minUser installation precautions-easily solve the problems encountered1. The machine reserves 2 thread ends of about 80cm in length from the factory, and users need to wire according to their own installation distance after purchase.2. The white in the power box of the machine is the neutral wire, the black is the high-speed wire, and the brown is the low-speed wire (no ground wire). If you connect the plug wire directly, you only need to connect the blue wire and the brown wire. If you connect a two-speed switch, please contact customer service for the switch wiring diagram. If the wrong wire is connected, it may burn or reverse.3. If the machine is installed in the ceiling, it is recommended to reserve a space height of 25cm for easy installation.4. The machine does not have installation accessories, please use it with installation accessories according to your own installation requirements and installation conditions.5. Straighten the pipes according to the site environment and try to avoid bends or diameter changes. Curves or reduced diameters have loss of air volume.

Multiple Applications: Designed for increased air circulation and moisture/odor removal in grow tents, greenhouses, bathrooms, server rooms, A/V equipment, or industrial workshops.

Outstanding Ventilation: The duct fan delivers an airflow of 1298 CFM at 2350 RPM with only 250 watts of power. Our brushless DC motor performs 30% more efficiently with 60% less power consumption than AC motors.

Quiet Operation: Whisper-quiet operation is possible thanks to the variable speed controller. Adjust from 0-100% fan speed to without any increase in humming or buzzing sounds.

Durable Construction: Engineered with an airtight steel case and IP44 waterproof protection in a compact design, the fan will stay running in harsh environments, big or small.

Easy to Use: The duct fan and controller can be mounted with no additional assembly. The permanently-lubricated bearing reduces wear and tear to cut down on maintenance.