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high pressure mercury
Blended-light mercury lamp ,110-130v Blended-light mercury lamp and High-pressure mercury fluorescent lamp.
Characteristic:good in photochromism , needless to use additional ballast and used as substiute for incandescent bulb. Colour ballast and used as a substitute for incandescent bulb. Colour temperature including 4K.
Application:suitable for indoor and outdoor lighting.
BT-Shape Characteristic :high in luminous efficiency, long in service life, and fine in photochromism. Colour temperature including 4.2K