Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View Quick View BallastsSG Convertible Ballast – 1000W $139.95 Hydrofarm Convertible Ballast- 1000W Quick View Quick View BulbsUltra Sun Dual Arc HPS/MH1000w $118.50 Ultra Sun® Dual Arc Tube Lamp - 1000 Watt Quick View Quick View BulbsUltra Sun MH 1000 DE 6,000K $139.95 Ultra Sun DE MH 6000K- 1000W