VIVOSUN – 400W MH Replacement Bulb is compatible with electronic and magnetic ballasts.
- Startup Time: allow 2-3 minutes for full bright. PLEASE WAIT at least 5 minutes before Turning on, After Powering Off
- Lifetime: 24,000 hours
- E39 Mogul socket
1 – Vivosun – 400w MH Replacement Bulb
*** Ballast, Fixture and Reflector SOLD SEPARATELY ***