145W T5 4 Pin Germicidal Lamp 392001 927971104099 Philips UVC lamp -145 technical watts - 9000 hour useful life. 4 pins on one end of the lamp. TUV T5 lamps are single- or double-ended UVC (germicidal) lamps used in professionalwater and air disinfection units. The small 16 mm diameter of the lamp allows for a smallsystem design and design flexibility. TUV T5 lamps offer constant UV output over theircomplete lifetime, for maximum security of disinfection and high system efficacy.
Please read this important safety advisory about UV Germicidal Lamps and COVID-19