Lulzbot TAZ Extended / Adjustable Nozzle Fan Duct for e3D / hexagon hot ends

This is an extended Fan Duct for a 40mm fan to be mounted on any Lulzbot TAZ prior to the TAZ 5. It is a nozzle fan for the e3D v6 or hexagon hot ends. It has areas where you can slide it up and down for adjustment, and doesn't require heat-set insert nuts for mounting the fan with m3 screws.