MWC-E10 4 Pin | UV Lamp for E10 Master Water Conditioning
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-1 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E/41/HDRP - The Home Depot
GPH846T5L/4P GPH846T5L/4 Ultraviolet UV Lamp Bulb 4-pin Base 33" UVC
Replacement UV Lamp Connector 4 Pin Socket
9.5 Watt 120-277V G24q/GX24q 4 Pin Direct Replacement LED PL Lamp – Green Electrical Supply
MyGift Fluorescent Light Bulb 4 Pin 6500K 27 Watt with Quad Tubes GX10Q-4 Base, Replacement Bulb for Light of America Lamps - Compact Fluorescent Bulbs - Amazon.com
Feit Electric 18-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD18E/HDRP - The Home Depot
Sylvania 20672 CF18DD/E/835 Lamp – Lighting Supply Guy
Feit Electric 32W Equivalent PL CFLNI Triple Tube 4-Pin GX24Q-3 Base Compact Fluorescent CFL Light Bulb, Bright White 3500K (1-Bulb) BPPLT32E/35/HDRP - The Home Depot