UV Solid State Electronic Ballast - Approved for lamp combinations of 220W Max MP-2-SL The lamp bulb has a

The lamp bulb has a tube diameter of 18mm and exceeds OEM standards of bulb performance

Black Poly-carbonate construction

4 Pin Stepped on a Single End - 40 Watt Germicidal UVC Bulb

American Ultraviolet WM-15-H

UV Solid State Electronic Ballast - Approved for lamp combinations of 220W Max MP-2-SL The lamp bulb has aWorkHorse Series Versatile, Solid State Electronic Ballast. High Power Factor, Light Weight, Mechanical Data: L=11. 73" W= 3. 23" H=1. 23" Input 120VAC 60Hz Maximum Current 1. 82A RFI, EMI FCC Part 18 A Sound Rating A Class P Operates qty 4 bulbs GSL692T5L, GLS692T5VH, GPH793T5L, TUV 36 4P SE T5, (G36T5 4P SE), Multiple G48T5L, G48T5VH Single GPH1148T5L