C9 Strobe Light, Cool White LED - The Christmas Light Emporium
LED Strobe Bulbs – Dekra-Lite
LED Strobe Light with C9 Base
C9 Flexible Filament LED Bulb - Blue - Pro Christmas - Bag of 25
LED C9 Bulb - White & Colors | LED C9 Replacement Bulbs
25 Pack C9 LED Replacement Christmas Light Bulbs Faceted LED Light Bulbs Commercial Grade E17 Intermediate Base Dimmable SMD LEDs UL Listed for Indoor and Outdoor Use (Blue) - Amazon.com
C9 Pure (Cool) White LED Bulbs E17 Bases (SMD) – Christmas Light Source