1800K-6500K Hard Strip Filament Lamps with E27 Lamp Holder - China LED Bulb, LED Lamp | Made-in-China.com
NICHIA Introduces High-Power 1800K LED as Industry's Only True Alternative to High Pressure Sodium Lamps — LED professional - LED Lighting Technology, Application Magazine
Calex Rustiek LED lamp 3,5W 100lm 1800K - The Crown -| 421694