Keystone Technologies KTEB-232-UV-IS-N-P instant start electronic T8 ballast with leads. Use this 2-lamp ballast to run F32T8 fluorescent lamps. The ballast also runs F25T8, F17T8 or F40T8 lamps. Keystone ballast are made with high quality components meeting many quality cerfications: Class P, Type HL, Sound Rated: A, Type 1 outdoor, and meets FCC part 18. Certifications include UL and ROHS