ROBERTSON 3P20044 RP1420 /A Fluorescent eBallast, for 1 F15T8 Linear Lamp, Preheat Rapid Start, 120Vac, 50-60Hz, Normal Ballast Factor, NPF. Equivalent to: Philips Advance RLQ120TP, Universal 565-L-TC-P, Fulham WHCG6127T12RS Equivalent to: Interglobal IE13-20EL, Keystone KTEB-120-1-TP-EMIA, KTEB-120-1-TP-EMI Save 44% and order the Quik-Pak of 10 individually packaged ROBERTSON units: 2P20044 RP1420 /A Two Year Factory Warranty-ONLY if the Amazon Seller is ROBERTSON WORLDWIDE. Take advantage of ROBERTSON's 60 years of electronic design and quality manufacturing experience