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Fluorescent Lamps>T5>Neutral White (3500K)>F21W/T5/835/ECO - 21 Watt - 34" - T5 - 2100Lm - 3500K
198314U
EA
B228PUNV-C Universal Programmed-start ballasts for T5HO lamps. operates (2) F28T5 lamps at 120/277 input volts."B228PUNV-C 1-2 LAMP F28T5, & F35T5 120/277V" T5 Ballast