18.5W (40W Replacement) Cool White (4100K) G13 Base (T8/T12 Replacemen
Viribright 4 ft. 40-Watt Equivalent Daylight (5000K) Type A and B Hybrid Linear T8 LED Tube Light Bulb (10-Pack) 518923-12MC - The Home Depot
Philips 40W Equivalent 4 ft. Linear T12 Type A Instant Fit Cool White LED Tube Light Bulb (4000K) 544759 - The Home Depot
4FT T8 LED Tube Light, 18W (40W Equivalent), 5000K Daylight White, Dua – YGS-Tech
8ft LED Fluorescent Tube 40W 2400mm Daylight 100 Watt Alternative
Lighting 4FT T8 LED Light Tube 18W 40W Fluorescent Replacement 2000 Lumens 6000K Cool White LED Bulbs with Frosted Cover - China LED Tube 18W, T8 LED Tube 4FT | Made-in-China.com