Maglite 3-Volt Krypton Flashlight Bulb in the Flashlight Bulbs department at Lowes.com
eecoo 2 Pack Upgrade LED Flashlight Bulb, 5W 6-24V P13.5S High Power LED Upgrade Bulb Replacement Part LED Conversion Kit Bulbs for Torch Tooling Lantern Work Light Maglite Bulbs Replacement - -
Weekly Innovation: A Light Bulb That's Also A Flashlight : All Tech Considered : NPR
Nite Ize High Power LED Upgrade fits C or D Cell Flashlights LRB2-07-PRHP - The Home Depot
Replacement Lamp-Bulb for Maglite 3-Cell C & D Flashlight