C9 Multicolor Smooth LED Bulbs E17 Bases (SMD) – Christmas Light Source

Classic C9 shape usng low-current LED technology. Fits any standard C9 Christmas cord.

Wintergreen Lighting OptiCore C9 LED Warm White Faceted Christmas

Christmas Pathway Lights - C9 Warm White Smooth Opticore Christmas

Wintergreen Lighting 25 Pack OptiCore C9 LED Christmas Light Bulbs

Guide to Christmas Light Bulbs

C9 Twinkle Multicolor OptiCore LED Christmas Light Bulbs

Wintergreen Lighting OptiCore C9 LED Multi-Color Smooth/Opaque