Satco S13135 42W/LED/HID/ED28/830/EX39 42 watt ED28 LED HID Retrofit L – Lighting Supply Guy
Foto&Tech Photography Daylight Bulb 42W 6500K 110V White Spiral Fluorescent Light Bulb Studio Light For Photography and Daylight Video Lighting (2 Pack) - Walmart.com
OptoLight Compact Fluorescent 42W Bulb with Light output of 150w Incandescent - Amazon.com