3" Inlet/Outlet - 8" Long X 3-1/4" Wide X 4-1/2" High 145 CFM
These commonly used bilge blowers are durable and effective at exhausting fumes from an engine compartment. Their blade design makes them extremely quiet.
4" Inlet/Outlet 8-1/4" Long X 4" Wide X 4-1/2" High 205 CFM