Philips Dimmable 13W 48" 3500K T8 LED Bulb, Use With Instant Start Ballast | 13T8/MAS/48-835/IF20/P/DIM | Bulbs.com
Ecofit Ledtubes T8 | 6979505 | Philips lighting
Amazon.com: Philips 456913 15T8/48 InstantFit 15W 4000K 48" T8 Cool White LED Bulb Tube Dimmable With Advance Ballast - Case of 10 : Tools & Home Improvement