Simply Conserve T8 Hybrid 32-Watt EQ 48-in Daylight Linear Type A or Type B LED Tube Light Bulb (10-Pack) in the LED Tube Light Bulbs department at Lowes.com
Industrial/Machine LED Tube Light,28w 24V IP67 Explosion Proof LED Light/CNC Machine Interner Lighting … (28) - - Amazon.com
4FT LED Shop Lights 4 Feet 18W 22W 28W LED Tube Lighting SMD 2835 Light Bulbs T8 G13 Fluorescent Tubes Lamp 5000K 6000K From Lednancylee, $3.31 | DHgate.Com
Philips 28W Equivalent 46 in. High Efficiency Linear T5 Type A InstantFit Cool White LED Tube Light Bulb (4000K) 542423 - The Home Depot
JESLED V Shape 28W 4FT LED Light Bulbs | T8 LED Tubes | G13 LED Tubes – JESLED Lighting