attack slx fireclay stone duse 40 45kw 1Dsenstein Attack SLX The Attack SLX nozzle stone is a fireclay brick located in the combustion chamber of the SLX Profi and Lambda wood gasifiers. The combustion nozzle is situated between the combustion chamber and the ash chamber. This nozzle supplies tertiary air, enabling gasification. Product information Boiler output 40 to 55 kW Attack SLX Profi and Lambda versions Original spare part