C7 120V Red LED Replacement Bulbs - Wintergreen Corporation
Sunlite 7-Watt C7 Small Candelabra E12 Base Night Light Colored Incandescent Red Light Bulb (25-Pack) HD03741-1 - The Home Depot
4Pk - SUNLITE 7w 120v C7 Red Candelabra Base Bulb | Michaels
SUNSGNE 25 Pack C7 LED Red Replacement Christmas Light Bulbs, 0.6W LED Ceramic Vintage Night Light Bulbs for Christmas Indoor Outdoor Patio String Lights, C7/E12 Candelabra Base - Amazon.com
Northlight Red Incandescent C7 String Light Bulbs in the String Light Bulbs & Fuses department at Lowes.com