Keystone Electronic Ballast, 1 or 2 Lamps, F28T5/HE, F21T5/HE or F14T5/HE Standard Bulb Shape_A21 this high-pressure sodium ballast kit

this high-pressure sodium ballast kit comes with a two-year warranty to provide you with added reliability

because it is a program start and will extend the life of the lamps

a separate offset adapter accessory (OSFOA-00W) can be used to position the sensor below the fixture body

Warranty: 1 Year

Millennium Lighting 36" Stem White Finish

Keystone Electronic Ballast, 1 or 2 Lamps, F28T5/HE, F21T5/HE or F14T5/HE Standard Bulb Shape_A21 this high-pressure sodium ballast kitWarehouse Lighting. com stocks the Keystone electronic ballast for one or two lamps, including the F28T5 HE, F21T5 HE and F14T5 HE. Now in its third generation of family ownership, this Pennsylvania company is known for its quality products, which have less than an 0. 1 percent defect rate. Keystone backs up this quality electronic ballast with a five year warranty and is known for its no questions asked return policy. This 120 277V ballast features a