... 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 ... of air,water,air condition,refrigerator,household appliance etc. oblong shape cold cathode uvc bulb for disinfects