Halogen tungsten linear Lamp Tube best price

Halogen tubes:
*long lifespan:over 2000hours
*quartz glass 10mm diameter
*R7S base,color is option
Halogen lamp tube Features:
1)Life time :up to 2000 hours
2)J-type include:
78mm: 75-250w
118mm: 100-500w
189mm: 1000w
254mm: 1500w
333mm: 2000w