Brand New older stock - Made in the USA
One Philips Master Color Metal Halide HID Bulb/lamp
100 Watts
Model - MHC100/C/U/M/4K 
ANSI Code - M140/M90 Ballast
Coated/white
E26 Med Screw Base - (these will not work in standard household bases)
ED17 or BD17 Bulb Shape Codes
High Intensity Discharge
Long Life 12,500 hours
Universal Burn Position
4000K Color Temperature
MPN 810526

I have other commercial and residential bulbs listed and I will gladly combine shipping when possible
I ship within one business day of receiving payment
Money back refund within 30 days of purchase