54679 Smoke Unit, Big (Exhaust & Cylinder), for Gauge G, for LokSound XLFor many modellers running their trains in the garden smoke generators are a must. Besides sound reproduced by the LokSound XL decoders one finds the exhaust smoke synchronous with the exhaust chuffs most exciting. Prototype diesel locomotives also make their presence known by clearly visible exhaust fumes. Although our LokSound XL decoder can handle many commercially available smoke generators we would like to recommend our new smoke generators. Both