OttLite T13330 13 Watt HD Replacement Bulb Type a for sale online | eBay
Simply Conserve T8 linear 32-Watt EQ 48-in Daylight Medium Bi-pin (t8) Linear Type B LED Tube Light Bulb (25-Pack) in the LED Tube Light Bulbs department at Lowes.com
Pack of 4) 13 Watt Double Tube - G24Q-1 (4 PIN) Base - 4100K Cool White - CFL Light Bulb. Replaces Sylvania 20667 CF13DD/E/841 - Philips 38328-1 PL-C 13W/841/4P/ALTO and GE 97597 F13DBX/841/ECO4P
OverDrive 13 Watt Tube Compact Fluorescent (CFL), Non-Dimmable Light Bulb, Warm White (2700K) Gx23-2 Base | Wayfair