4 - Hortilux Super HPS. Unknown total hours but all bulbs are tested and work. The item "4 Hortilux Super HPS 1000 Watt Bulbs (USED)" is in sale since Sunday, July 26, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics & Seed Starting\Grow Light Bulbs". The seller is "evs799" and is located in Reno, Nevada. This item can be shipped to United States.