Quote Originally Posted by CaptainObvious View Post
Actually, and IMHO, it's better to use heating heads without a PTEF tube; an all metal nozzle in my experience is more reliable, robust and easier to maintain.
Someone who posted earlier said it's vital to have the PTFE otherwise it will ruin my hot end? You may be right too but as I'm new to 3D Printing and have had 2 opposing suggestions I'm not entirely sure what to do.