LED filament HID bulbs are a 42 watt 120/277 volt, 175 watt HID replacement providing the light you need with extremely long life. Ideal for enclosed outdoor lighting fixtures. You probably won't have to change these bulbs for many years while still providing excellent illumination. If you're replacing something that had a ballast previously, you will need to remove the ballast and directly wire the socket to voltage. It's bright white light will do a better job than even existing lighting that you may have already. 

 
Product features:
- 42 watt LED.

- 120/277 volt.
- 25,000 hour average rated life.

- 6000 lumens.

- 3000K light color.

- Replaces 175 watt HID lighting.
- Mogul E39 base.

- Instant full light output startup.

- Contains no mercury or hazardous substances.

- Replaces HID, CFL and incandescent.

- Length: 8.5" inches.

- Approved for totally enclosed lighting fixtures.

- Wet location rated.

- Universal burning position.