... Technical parameters: Size: Φ4mm*80mm(L)*50mm(W) Lamp type: oblong shape Wavelength: 253.7nm/185nm Input voltage: 3v/5v/6v/12v ... ,5mm,8mm,10mm and 12mm tube,and L,O,U shape can be made according to your request.The 185nm UV ... :Sterilizing of air,water,air condition,refrigerator,household appliance etc. oblong shape cold cathode uvc bulb for disinfects