Philips 15-Watt 18 in. Linear T8 Fluorescent Tube Light Bulb Cool White (4100K) (1-Pack) 392076 - The Home Depot
F32T8/SPX41/ECO2 - 4' T8 Lamp | Current - GLI Brands
Plug and Play Universal Fit LED T8 4 FT Tubes, 3000K Soft White, 15 Watt, 1900 Lumens - Works with electronic T8 ballasts or without ballasts (bypass), Clear Lens
T8 Fluorescent Lamps vs T8 LED Tubes | Premier Lighting
Philips 15.5W 5000K 48" T8 LED Bulb, Use With Instant Start Ballast | 15.5T8/MAS/48-850/IF25/P | Bulbs.com