Hortilux CMH 315 Grow Light System, 315W. The item "Hortilux CMH 315 Grow Light System, 315W" is in sale since Thursday, November 5, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Light Ballasts". The seller is "zeek1993" and is located in Tremonton, Utah. This item can be shipped to United States.