Light Bulb Shape Guide: Spiral CFLs — 1000Bulbs Blog
Philips Energysaver 42w=150w Soft White Compact Fluorescent Bulb | eBay
Λάμπα Οικονομίας High Wattage 150W E40 6400K (599140153) - Box360
Differences between HPS and CFL lamps
Amazon.com: Sunlite 05582-SU Sunlite High Wattage CFL Light Bulb, 150 Watts (500W Equivalent), Mogul Base (E39), 7900 Lumens, 8,000 Hour Life Span, 27K - Warm White : Everything Else
E40 High Power LED Bulb 120W 150W 200W 300W Equivalent to 1000W Metal Halide CFL HPS or Mercury Lamps Manufacturers and Suppliers - Factory Price E40 LED High Bay Light Made in