Yield Lab Horticulture 400w HPS Grow Light Wing Reflector Kit Easy Setup Full Spectrum System For Indoor Plants And Hydroponics – Free Timer and 12 Week Grow Guide DVD
HTG Supply eGrow 400w HPS Grow Light Kit | Complete Digital Ballast, HPS Bulb, and Fixture System
LUMAPRO 1XUF8 HID Ballast Kit HPS 400W Multi 5 Tap for 400 Watt S51 HPS LAMP NEW | eBay