Mercury lamp bulb

1) Made from borosilicate 4.0 glass

2) Lighting bulbs:

a) Mercury lighting: BT70, BT75, BT80, BT90 and BT120

 b) Sodium lighting: BT62, T37.5 x 180, T37.5 x 208, T46 x 220, T46 x 265 and T46 x 290

c) Halogen lighting: ED55, ED75, ED90 and ED120