C9 Christmas Lights Bulbs, 25 Pack, 120V UL Commercial Grade, Dimmable LED Bulbs for E17 Christmas String Light and Indoor & Outdoor Use (Warm White) - Amazon.com
C9 Multicolor Smooth OptiCore LED Christmas Light Bulbs
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Amazon.com : Novelty Lights 25 Pack C9 LED Outdoor Christmas Glass Replacement Bulbs, Multi Color : Tools & Home Improvement
Wintergreen Lighting OptiCore C9 LED Multi-Color Faceted Christmas Light Bulbs (25-Pack) 72643 - The Home Depot
Holiday Decoration LED Faceted C9 Christmas Lights Bulb Warm Christmas Decor - China LED Replacement Bulbs, Christmas Decoration Bulb | Made-in-China.com