Feit Electric 13W/18W/26W Equivalent PL Horizontal 4-Pin Universal Base G24Q/GX24Q-1/-2/-3 with CCT Select LED Light Bulb (4-Pack) PL26AHCCT/LED /HDRP/4 - The Home Depot
Technical Precision 9 Watt Self Ballasted U Shaped 4 Pin Compact Fluorescent Light Bulb Replacement for Kandolite 96500 Light Bulb T4 CFL 4 Pin Bulbs with 2G7 Base - 6500K - 8000 Hours - 1 Pack - - Amazon.com
Simply Conserve Horizontal G24Q Base 12-Watt EQ Single tube Daylight Gx24q-4 Pin Base LED Light Bulb (4-Pack) in the General Purpose LED Light Bulbs department at Lowes.com
2-Pin & 4-Pin Plug In Lamps Go LED — 1000Bulbs.com Blog
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
Case of 10: Compact Fluorescent CFL Quad 4-Pin Light Bulb