About this item

• HIGH-QUALITY MATERIALS: VIVOSUN's precision-built lamps are made from only the highest-quality materials, featuring premium European elliptical PCA lamp envelopes for enhanced lumen output and optimized spectra. Plugs into a PGZ18 lamp socket
• COOL AND EFFICIENT: VIVOSUN's 3000K CMH lamps run at extra-low operating temperatures; and its double glass jacketed design makes it safe for use in either open or enclosed fixtures
• INTENSE, FULL SPECTRUM LIGHT: Delivering 92 CRI, 33,000 initial Lumens (105 Lm/W), and 1.95 PPF (photosynthetic photon flux), this lamp nourishes your plants with full-spectrum light and stimulates resin production with UV far-red spectra
• STRONG, LONG-LASTING LIGHT: This lamp is rated for high 90% lumen maintenance at 8,000 hrs and 85% maintenance at 20,000 hrs. 1-year warranty
• GROW LIGHT COVERAGE: VIVOSUN recommends use of this 315W lamp to cover an area of approximately 9 square feet during vegetative growth and approx. 6 square feet during the bloom phase