The bulb is especially designed in a full spiral shape with solid construction. The energy-saving bulb produces less ambient heat than traditional bulbs. The metal screw base allows for easy installation.

• 9mm tube: 5W, 7W, 9W, 11W, 13W, 15W.
• 12mm tube: 15W, 20W, 24W, 26W, 30W, 45W.
• 16.5mm tube: 55W, 60W.
• 19mm tube: 85W, 105W.