ROBERTSON 2P20124 Quik-Pak of 10 Fluorescent eBallast for 1/2 F96T8 Linear Lamp, Instant Start, 120-277Vac, 50-60Hz, Normal Ballast Factor, HPF, Model ISA259T8MV /A (Successor item to ROBERTSON 2P20019) Equivalent to Philips-Advance IOP-2P59-SC, REL-2P59-SC; Osram QTP2X59T8/120ISN-A, QTP 2X59T8/UNV ISN-SC; Universal B259I120RH, B259IUNVHP-A; Keystone KTEB-259-1-IS-N, KTEB-259-UV-IS-N; General Electric GE-259-120-N, GE-259MAX-N/ULTRA; Fulham WHSG8-UNV-T8 SL; Hatch HL259IS/UV Save the most with the 1P20124 carton of 10 units, not individually packaged Also available as a single quantity as 3P20124 Take advantage of Robertson's 60 years of electronic design and quality manufacturing experience. Go to RobertsonDirect.com for complete technical data