Keystone Replacement Ballast KTEB-2C72-1-TP-WS Value Pack - (2 Ballast Pack) Circline Ballast - With Sockets (Keystone Ballasts 22 & 32 Watt or 32 & 40 Watt circline, 120V, w/sockets,) Keystone Ballasts 22 & 32 Watt or 32 & 40 Watt circline, 120V, w/sockets, Special Value Pack - 2 Count Input Voltage: 120V. 60HZ. 0.85A Operates 2 Circline Lamps:FC8T9+FC12T9 or FC12T9+FC16T9 CAT NO: KTEB-2C72-1-TP-WS