2 Pack Lava Lamp 15 Watt Replacement Bulbs for 10"/8oz lamp and 11.5"/12oz lamp | eBay
15 Watt in Lumen | Lampdirect
Parts Express Himalayan Salt Lamp Bulbs Original Salt Lamp, 6Pack E12 Candelabra Base Replacement Light Bulbs, 15 Watt Incandescent Bulbs for Plug-in Night Light (6, E12 15W T20) - - Amazon.com
Archipelago LED Nostalgic S14 RGBY Lamp, 15 Watt Equivalent, *Case of 48*, LTS14C15024MB, LTS14C15027MB, LTS14F15027MB, LTS14-150-MB