SUN SYSTEM® 3COMMMERCIAL GREENHOUSE FIXTURE MHMetal Halide Best light source if little or no natural light is available. Promotes growth. Functions as a primary light source. HPSHigh Pressure Sodium Best light source if used in conjunction with natural light. Promotes flowering /fruiting. Functions as a supplementary light source. • Designed to withstand damp, hostile conditions found in greenhouse environments providing years of performance and reliability. • The Sun System® 3 features an exclusive extruded aluminum ballast enclosure that will never rust. Powder coated in our signature green for a durable and attractive appearance. • The Sun System® 3 is UL and CUL listed for damp locations. • Our Sunstar™ reflector is made from 95% reflective German aluminum. This material was designed specifically for high performance lighting fixtures. It offers the best output & diffusion properties available in the lighting industry. • Our exclusive Sunstar™ reflectors were specifically designed for greenhouse applications. They feature outstanding uniformity and superior light levels. • Computer generated lighting layouts available at no charge. • Features major brand lamps and ballasts. • Available in 120, 208, 240, 277, & 480 V. • Mounting hardware included. • 2 Yr. replace or rebuild warranty • All ballasts are wired 120 volt unless specified otherwise. • Please specify operating voltage. • Above pricing is for the fixture with a 8 - 120 volt power cord or 8 of 16 gauge 3 wire cord with no plug on the end (for hard-wired applications). • Glass required for UL listing on MH fixtures. (included in price) • Purchase your choice of lamps separately. Note: Sun System® 3 is a build-to-order product. Lead Time is 1 - 3 weeks. Other lamps are available on the web site