Satco 40W E17 T8 Incandescent Bulb - INC10442 at Batteries Plus
40W T8 Original Vintage Amber Glass - Feit Electric
Viribright Lighting T8 Tubes 40-Watt EQ 48-in Cool White Linear Type A or Type B LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com