Model AA-18756-MEL-VC -AgCdPbZn - Silver Cadmium Lead Zinc AA Lamp - Agilent /Varian and GBC 4pin Coded Lamp

Ag/Cd/Pb/Zn - Silver/ Cadmium/ Lead/ Zinc, Hollow Cathode Lamps, 37mm (1.5″) Multiple Element’s in Cathode.