Hydroponics Ballasts 250 Watt Ballasts 250 Watt Ballast Control Gear EASY 250W HPS/MH Quality Lighting Ballast - 3 Year Limited Warranty!High quality HID lighting Ballast 250W for HPS and MHlamps. Growth Bloom In Stock €46,38 Add to cart ETI Magnetic Ballast for HPS and MH AGRO lamps - 250W ETI Magnetic Ballast 250w has been designed for HPS and MH AGRO lamps. Power supplies (o ballast) ETI UAL series are defined “Hybrid” as it equipped with an electronic circuit which integrates the fun... Growth Bloom Out Stock €45,51 Add to cart +Idroponica.it