28w Led Tube Light Bulb 4ft, 3360 Lumens, Cold White 6000K, Ballast Bypass Required, Bypass T8
Larson Electronics - 28 Watt LED Bulb - 4 Foot T8 Lamp - 3500 Lumens - Replacement or Upgrade for Fluorescent Light
GE 66471 F28T8/XL/SPP35ECO GE Ecolux Fluorescent T8 28W 3500K Case/36
Philips Lighting F32T8/ADV850/2XL/ALTO II 28W :: Fluorescent Lamp, High Lumen, Advantage, T8, 48", 28W, 5000K :: PLATT ELECTRIC SUPPLY
8Pack of 4Ft T5 28W LED Tube w 5000K White 5000 Lumen,2 PPF/W to Replace & retrofit 54W Fluorescent T5HO Lamps Directly Work w Previous Ballast. - Amazon.com
28W High Lumen IP67 Round Underground Light - China 28w High Lumen Rgb Round Underground Led Light, Led Inground Garden Decorative Tree Light 18w | Made-in-China.com
GE 28W E27 ES 340 Lumen Halogen Light Bulb 4no | eBay
LED 28W P38 ND UNV 27K FL | LED PAR Lamps | TCP Lighting