Tevo Little Monster - 30mm Heatbreak Fan Vent

I took inspiration from another fan duct and made this vent to suit the other ducts I have made for the Tevo Little Monster.

This vent goes front and back to ensure no air is being blow onto the heat bed or print from the heatbreak cooling fans. There is a gap between the grill to ensure a very low static pressure drop.

NOTE:
I strongly suggest you order some filter wool/mat (I use carbon mat for air-conditioners) and cut out a small circle to go into the intake side of this vent to pre