Supply Of Hollow Cathode Lamps ( 14 Items ) , Arsenic - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 6Ma, Max Current - 10Ma , Selenium - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 5Ma, Max Current - 10Ma , Lithium - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 5Ma, Max Current - 10Ma , Manganese - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 3Ma, Max Current - 10Ma , Cobalt - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 4Ma, Max Current - 15Ma , Nickel - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 4Ma, Max Current - 10Ma , Zinc - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 3Ma, Max Current - 8Ma , Cadmium - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 2Ma, Max Current - 10Ma , Gallium - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 4Ma, Max Current - 10Ma , Copper - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 3Ma, Max Current - 8Ma , Aluminium - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 6Ma, Max Current - 10Ma , Chromium - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 4Ma, Max Current - 10Ma , Lead - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 2Ma, Max Current - 10Ma , Mercury - Hollow Cathode Lamp, Base - 37Mm, Diameter - 1.5 Inches, Rec. Current - 3Ma, Max Current - 10Ma