This is a genuine factory Elkay 30664C Fan Blade.
This part is also sold with the following kits:
Kit # 98775C is used with most Elkay and Halsey Taylor 4, 8, and 10 GPH water coolers.
Kit # 0000000244 is used with the following 220V/50Hz models: ECH8, EFA4/8/14, EFHA8, EHFSA, ER5/10, ESWA, EWA4/8/14, EWCA4/8/14, FD70010, HBW, SCWT4/8, SJ8, SW4/8, WC, WM8. Also used with the following 220V/60Hz models: EFA8, ER5/10, EWA8, EWCA8, FD70010, SCWT8, SW8.
Kit # 0000000245 is used with the following 220V/50Hz models: EFA16/20, EWA16/20, EZ, HAC, HVR, HTV, SCWT14, SW14, WM14, VRC. Also used with the following 220V/60Hz models: ECH8, EFA14/16/20, EHFSA, ESWA, EWA14/16, EWCA14, EZ, HAC, HVR, SCWT14, SJ8, VRC.
Kit # 0000000246 is used with EFA 16 GPH, EWA 16 GPH, and HOF models.
Kit # 0000000247 is used with the following models: EFA14/20, EWA14/20, EWCA14, SCWT14/20, SW14 and WM 14.