Philips
releases LED light bulb to replace 100 watt traditional incandescent. The
Philips 22 watt A21 Light Bulb which is actually a little more than your old 100 watt bulb. This gives you 78 watt in savings for every bulb you replace and it has a 25,000 hour average rated life. The A21 bulb is about ½ an inch taller and ½ an inch wider that the A19 bulb most people use in their lamps.