Keystone Electronic Ballast, 1 or 2 Lamps, F32T8, F25T8, F17T8, F40T8 or PLL Warranty Period_1 Year including the F39T5/HO

including the F39T5/HO

Item Number RGN22-SB

Single Post Adapter: Designed to fit standard 3" posts and pier mount bases

The Keystone F54T5/HO

Item Number RGN23-WH

Keystone Electronic Ballast, 1 or 2 Lamps, F32T8, F25T8, F17T8, F40T8 or PLL Warranty Period_1 Year including the F39T5/HOThe Keystone Electronic Ballast is designed for use with 1 or 2 T8 fluorescent lamps. The purpose of the ballast is to limit the current that is allowed to pass through the lamps at any given time so that they do not overheat and self destruct. The simple device can control 1 or 2 lamps, as desired. All fluorescent lamps are sold separately. The Keystone ballast operates at a range of voltages from a low of 120 volts to a maximum of 277 volts. It