Airsupply ES4 Inline Duct Fan duct fan Hassle-Free Heat

Hassle-Free Heat

Space Saving

Safe & Easy to Use: With an IPX4 waterproof controller

2 x Straight Duct (39

Its dual-wall design promotes secondary combustion

Airsupply ES4 Inline Duct Fan duct fan Hassle-Free HeatThe 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