Hitachi/Shimadzu AA Multi-Element Lamp for Copper (Cu), Manganese (Mn) and Silicon (Si), part number 10-105.  Lifetime: 5000 mA/hrs; Window material: synthetic quartz. AA Lamps for Hitachi and Shimadzu are identical.

Bright line spectrum lamp for Atomic Absorption Spectrophotometers

61 different types of single element & multi-element lamps are available.