2 Pack 4 Inch Inline Duct Fans with Duct Clamps, 110 CFM Ventilation Exhaust Fans for Grow Tent

The high-efficiency built-in motor of this product offers protection against electric shock or leakage. The rustproof blades provide fast speed and strong airflow, while the 4-inch size helps prevent overheating. Corrosion-proof and moisture-proof, this durable fan is suitable for long-term use. The package includes 4 duct clamps for easy installation of the ventilation fans.

Featuring advanced noise-reducing technology, the duct fan operates at a low 30dB sound level, ensuring a comfortable environment. The 6.5-foot power cord with a switch button eliminates the need for frequent plug-in and unplugging, ensuring safety. This 4-inch inline duct fan is easy to connect to multiple ducts, making installation a breeze.

Lightweight and portable, this fan can be conveniently carried and installed anywhere. For use in Mini Greenhouses, the package includes 2 sets of 4-inch inline duct fans and 4 duct clamps, facilitating the stable fixation of the exhaust fans. The parallel connection allows for doubled air ventilation volume up to 220 CFM, while the series connection solves the issue of insufficient power for long-duct ventilation.

Safety features include overheating prevention and a built-in fixed motor design to prevent the hazards of electrocution caused by leakage. The switch controller on the 6.5-foot power cord eliminates the need for frequent plug-in and unplugging, reducing the risk of leakage in humid conditions.

These 7-bladed vent blowers boast a powerful fan speed of 2800 RPM, creating an airflow of 110 CFM. Crafted with rustproof blades and coated in corrosion-proof material, these 4-inch inline booster fans have a longer service life, even in hot and humid environments.

The advanced noise-reducing technology ensures a sound output of just 30dB, making these fans ideal for use in noise-sensitive spaces such as bedrooms, kitchens, and living rooms. These exhaust fans can improve airflow, reduce humidity, and lower temperatures in a variety of settings, including grow tents, basements, kitchens, bathrooms, workshops, garages, and attics. They are also widely applied to boost airflow in HVAC systems.

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