A CFA Tank Outlet is a sign that tells people where they can find the outlet or valve for a CFA (Compressed Foam Application) tank. This tank is often used by firefighters to supply foam for putting out fires.

The sign is used to help firefighters quickly locate the tank's outlet in case of an emergency, like a fire, so they can connect hoses and start fighting the fire more efficiently. You might see these signs in places where firefighting equipment is stored or near fire hydrants to help firefighters access the foam they need to battle fires effectively.