TURBRO Airsupply ES4 4 inch Inline Duct Fan with Solid Metal Case 195 CFM Quiet Vent Fan with Variable Speed Controlled

The AirSupply 4 Inch Duct Fan helps with all of your ventilation issues. The ES4 inline fan increases the centrifugal airflow vortex of your ventilation system to remove heat and humidity from grow tents electronic equipment closets and industrial workspaces. The airflow direction is reversible and can be used to intake fresh air into space or exhaust hot air or fumes from your space. It can even be used to pull air through odor-reducing carbon filters in grow tents.

• Consumes up to 60% less power Compact design
• yet powerful ventilation with 195 CFM air flow at 5000 RPM Brushless DC motor
• quiet operation lasts 3x longer than AC motors Variable speed controller
• 0 to 100% speed control in 1% increments Multiple mounting options