ROBERTSON 3P20134 Fluorescent eBallast for 2 FC8T9 Circline Lamp Preheat-Rapid Start, 120Vac, 50-60Hz, Normal Ballast Factor, NPF, Model RSW3240C120WS AA (Replaces 3P20027, Model RSW3240C120WS /A) Equivalent to: Philips-Advance RS-32-40-TP-W, Osram-Sylvania MB2X32-40/120RS-CIRC-SR Equivalent to: Universal 474-RS-WS, General Electric GE242-MVPS-3W, Halco E2CR72RS/120/PT Equivalent to: Fulham WH5120L, Keystone KTEB-2C72-1-TP-WS, KTEB-2C72-1-TP-WS-CP Equivalent to: Sunpark LC LC12014T, Espen VEC72120MR, Sola E-629C-F-3240-TP Save by ordering our Quik-Pak of 10 individually packaged units: ROBERTSON 2P20134