LED-C28E27-27K - 120-277 volt, 28 watt, LED COB Retrofit, 3,360 lumens, 2700K Warm White, E27 medium screw base
220-240V 28W E27 Screw Edison Bulb A19 Clear Halogen Bulbs - China Halogen Light and High Quality Bulb
Philips 28W Clear Warm White Eco Classic Halogen E27 Globe - 2 Pack - Bunnings Australia
E27 LED Bulb Fan Blade Timing Lamp AC85-265V 28W Foldable Led Light Bulb Lampada for Home Ceiling Light with Remote Controller (Bulb with Controller) - Amazon.com
TForce LED HPL ND 38-28W E27 830 | Kratochvil
E27 GU10 E14 28W LED Grow Light Lamp Bulb Plant Hydroponic Full Spectrum 85-265V | eBay