IT IS MADE BY DURO-TEST, (FOUNDED 1929) AND IS NEW. DURO-TEST HAS MADE BULBS FOR N. NO MATTER WHAT YOU ARE GROWING, THIS BULB IS THE BEST BY FAR.
If you have any questions or problems whatsoever. OPTIMARC GROW LAMP -- MFG. No longer made / and.
No longer AVAILABLE FACTORY DIRECT. LAMPS COMPLY WITH FEDERAL STANDARD 21 CFR 1040.30 FOR NON SELF-EXTINGUISHING METAL HALIDE LAMPS. SCROLL DOWN FOR MORE INFORMATION.Optimarc Lamps are super metal halide lamps made to replace High Pressure Sodium lamps in standard high pressure sodium fixtures. They are available in 250 and 400 watt sizes. Optmarc lamps should ONLY be used in fixtures equipped with HPS ballasts.
Lumen output is approximately 28,000 lumens in the 400 watt model. Optimarc may be burned in any position. One of our customers who grows orchids for a living who used our Vita-Lite full spectrum fluorescents for years, decided to try something to save energy costs; and, after switching to HPS, she had trouble with blooming as well as the color and shape of and number of blooms. It closely conforms to CIE standards for full spectrum natural light, and has long been known as the very best H.
Grow light for all plants. Ought to have bought it when I saw it. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Lights & Light Bulbs".1888" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, Brazil, France, Australia, Russian Federation, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, Korea, South, Indonesia, Taiwan, South Africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi Arabia, Ukraine, United Arab Emirates, Qatar, Kuwait, Bahrain, Croatia, Republic of, Malaysia, Chile, Colombia, Costa Rica, Panama, Trinidad and Tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam, Uruguay.