F11 (ver 2018, RBF qualified):

Improved version, replacement for F11 stove version 2016.


Key Improvements:

- Triple walls, stronger build.

- Improved fan system.

- Natural ventilation on outer wall, reduce outside heat.


Key features:

- To use with pellets, wood chip.

- Use twister air effect, cleaner burn and better heat concentration.

- All stainless steel.

- Saving ~ 55% fuel vs iron bar.