Lampholder G24 Q1 4PIN 13W, 2 pieces, M10, in plastic
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
4x 13W G24q-1, 4 pin, Low Energy CFL PL Double Turn Light Bulb Cool White Lamps | eBay
Fiet Electric 13W Quad CFL Bulb G24Q-1 Base 2700K - 410614 | Lowe's Pro Supply