Attribute21: 2.13 in.
Products with this attribute (4 total)
Philips 13022-9 | 150W Metal Halide Bulb | CDM150W/830 | 1000Bulbs.com
Philips 13463-5 | 150W Metal Halide Bulb | MHC150/U/MP | 1000Bulbs.com
Philips 37724-2 | 150W Metal Halide Bulb | MHC150/U/MP | 1000Bulbs.com
Philips 42367-3 | 100W Metal Halide Bulb | MHC100/U/MP | 1000Bulbs.com