Larson Electronics - 28 Watt LED Bulb - 4 Foot T8 Lamp - 3500 Lumens - Replacement or Upgrade for Fluorescent Light
28W Led Ceiling Lights,2800lm 2800K Warm White, LED Downlight,LED Bulb, Super Thin Round Flush Mount Ceiling Light Fixture for Bedroom,Living Room,Bathroom Kitchen by Getseason (Warm White, 28W) - - Amazon.com
ZIBO 28w LED Extreme Life Wall Pack 120-277v, Commercial Grade
Shop Selectable Color Temperature LED Track Lighting H or J Type UL & CUL Listed 8070-28W Direct-Lighting.com (888)628-8166
4 pack - Feit Electric OM150DM/830/LED 28W A21 LED Light Bulb | Commercialbulbs.com