TopStar 4' T8 Linear LED Lamp - 16 Watts - 4000K - Plug & Play | BulbsDepot.com
Green Creative 13W LED A19 Bulb, Dimmable, E26, 1200 lm, 120V, 4000K (Green Creative 13A19DIM/840) | HomElectrical.com
Feit Electric 13-Watt Equivalent PL Horizontal CFLNI Bi-Pin Plug-in GX23 Base CFL Replacement LED Light Bulb, Cool White 4000K BPPL13/H/840/LED - The Home Depot
L 13 W/840 | OSRAM DS
5.5W LED Upgrade for 13W PL13 2-Pin CFL GX23 Base 120-277V 4000K Cool White PLSGX23-840-5P5-P2-HB (Box of 6 Lamps) - - Amazon.com
1 Light Bulb LED GE 17W 1600 Lumen 2700k 120VAC LED17DASW9 L-22 | eBay
TOPAZ L4T8E/U6/840/13F-70 1/12-PK 13W U-BEND LED T8 FROST 4000K SINGLE END 50000HR 1850L USES ELEC-BALLAST 83CRI 120-277V | Gordon Electric Supply, Inc.
GE LED BULB 1400/840/400 Lumens 2700K LED13A30/100 13W 120mA 120VAC 60Hz L-11 | Door 7 Deals
2300 Lumen 4100K Horizontal PL LED - Feit Electric
8.5PLL/840/GL/BYP Green Creative LED PL-L Lamp | Replaces 18W CFL
Philips 5PL-S/LED/13H/840/IF5/P/2P 20/1 $6.59 LED Tube, 4000K Color Temp., PL-S Shape | Zoro.com