Satco S3229 120-Volt 45-Watt R20 Medium Base Light Bulb, Frosted 724180008310 Model: 47 111 000

Model: 47 111 000

Sensor-safe and resistant to gasoline

Model: 1002009

Sold as 25/Pack

Satco S3229 120-Volt 45-Watt R20 Medium Base Light Bulb, Frosted 724180008310 Model: 47 111 0002000 Average rated hours 45 Watt medium base Frosted bulb The basic design of the incandescent lamp has not changed much since the late 1800s, when Thomas Alva Edison successfully produced the fist operational electric light bulb. The filament inside an incandescent lamp must be protected so that oxygen does not reach it and cause it to evaporate on contact. Most incandescent lamps are either vacuum sealed or gas filled. Incandescent lamp filaments