Features: Good quality material--quartz glass, long life, long lumen depreciation Lifetime: 15000 hours turn on-off over 5000 times Various Shapes as you choose: U-shape, T-shape, Pen-shape, special shape

Diameter: 3. 5mm, 5mm, 6mm, 7mm, according to your demands

With or without ozone

Application: water cheatment, sterilization, air purification, medical disinfection