Attribute19: 3.13 in.
Products with this attribute (2 total)
1000W - HPS - Ceramalux - ANSI S52XB-1000 - Philips 36883-7 | 1000Bulbs.com
Philips 32386-5 - LU1000 - HPS - 1000W - Mogul Base | 1000Bulbs.com