Attribute18: 3.75 in.
Products with this attribute (4 total)
1000 Lumens, 13W, 3000K, LED PAR30 Short Neck Lamp, 100W Equal, 15 Deg. Spot, 120V, MSi ZPAR30S301513T1D | 1000Bulbs.com
650 Lumens, 12W, 3000K, LED PAR30 Short Neck Lamp, 75W Equal, 22 Deg. Narrow Flood, 120V, MSi IPAR30S30221N | 1000Bulbs.com
Philips 14755-3 - 70 Watt - Narrow Flood | 1000Bulbs.com
Philips 233650 | 35W Metal Halide Bulb CDM35/PAR20 | 1000Bulbs.com