Hamlet heat shield +external air (all models) WE ONLY SELL THESE IF YOU ORDERED A STOVE FROM USWE ONLY SELL THESE IF YOU ORDERED A STOVE FROM US This is a heat shield that also allows direct air to be piped to the stove (direct air only usually relevant in wanting to reduce the amount of air drawn into a property). More info here Shield without optional air also available. Solution 4 Distance to combustibles at rear with NO heat shield 65cm Distance to combustibles at rear WITH heat shield 37. 5cm (22. 5cm if twin wall all way to stove)