GE 97600 - F18DBX/835/ECO4P Double Tube 4 Pin Base Compact Fluorescent Light Bulb
$6.99
GE 18 watt - T4 - 4-Pin (G24q-2) Base - 3,500K - Natural White - 800 Series - Double Tube - Double Biax - Ecolux | GE Compact Fluorescent Light Bulb (F18DB