Hi, Don’t know if I ever gave you feedback but enjoying using our stove today, many years later, I needed to make sure I have. The fluecube solved every single problem we ever had with our stove and, whatever the weather, our stove burns brilliantly. We don’t have any issues, ever. Previously we had smoke coming in, trouble lighting and difficulty with a constant down draft. We couldn’t light a fire when it was windy as smoke would be pushed out through the vents.  We had occasional high carbon dioxide measured. Thank you so much for this fabulous product, we are eternally grateful (especially now we are using it in May storms!)