iPower 2-PACK 1000 Watt Super HPS Grow Light Bulb for Magnetic and Digital Ballast" - Walmart.com
Amazon.com: MIXJOY 2pcs 1000 Watt Double Ended Grow Light System Kits, 2100K Super Lumens DE HPS Bulb, Open Reflector with 120-240V Digital Dimmable Ballast and 1 Pair Rope Ratchet Hanger for Indoor