EPS51-425-40L 10W to 41W count down timer ballast uv c lamp electronic ballast for water treatment system US $38.18-$73.42
PH2-800-2/75U 75w 155w 800mA uvc quartz glass tube Ultraviolet light ballast Electronic Driver US $21.30-$26.60
Hydroponics Grow Light Electronic Balast, Electronic Balastro 600w,Balastro Electronic 600W Crece La Luz US $25.00-$35.00