Bulbrite 100A/RS-2PK 100 Watt Incandescent A19 Rough Service Bulb, Frost, 2 Pack included in the box is: 2 - 100 watt incandescent Frost rough service A19 bulbs Applications: ideal for general purpose applications as well as restaurants and work areas Why the 100A/RS-2PK: rough service lamps feature a heavy duty reinforced filament for increased durability Specs: 100 watts, A19 bulb Type, Medium (E26) base, 870 lumens, 130 volts, 5000 average hours, Dimensions: maximum overall length is 4.25 inches; bulb diameter is 2.375 inches