Hollow cathode lamp by the Japanese advanced production technology and vacuum treatment process. Hollow cathode lampKY-1, 38x150mm, for all AAS spectrophotometer made in China. KY-2, 38x150mm, for all AAS spectrophotometer made by GBC, Hitachi, Shimadzu, Varian, Thermal, Jena.KY-AF/AF2, 50x140mm, special plug for atomic fluorescence analyzer.KY-PE, 50x180mm, for all AAS spectrophotometer made by ...