26W CFL Bulb Replacement for Philips Pl-c/4p 26w/835 USA by Technical Precision - 7 Inches T4 Twin-Tube Compact Fluorescent Light Bulb - G24Q-3 4- Pin Base - 3500K Standard White - 1 Pack - Amazon.com
SATZOL 2 Pack 12W GX24Q LED Light Bulb, Warm White 4Pin PL LED Bulb, Replacement for PLT-26W CFL, Work with GX24Q and G24Q Base, Bypass Ballast - Amazon.com
8 Pack) 18 Watt Compact Fluorescent Light Bulb 2700K Warm White 4 Pin G24q-2, Replacement for Sylvania 20683 and Philips 38329-9 - PLC 18W/827/4P/ALTO - Amazon.com
KOR (Pack of 4) 13 Watt Double Tube - G24Q-1 (4 Pin) Base - 3500K Soft White - CFL Light Bulb. Replaces Sylvania 20671 CF13DD/E/835 - Philips 38327-3 PL-C 13W/835/4P/ALTO and GE 97596 F13DBX/835/ECO4P - Amazon.com