400 Watt HPS Xtrasun Ballast

Reliable service at value prices. Designed in America, employing features and materials normally found on higher priced units, these have become the most popular value-priced units on the market. Their unique patented aluminum housing with convection cooling runs so cool we offer a 5 year warranty - the longest in its class. Dual voltage. Xtra versatile...works with most fixtures. Xtra value...Super affordable. 5 year warranty on ballast electrical components. Aluminum fins, louvers and ports for extra cooling efficiency. Compatible with all Hydrofarm reflectors and most others.