Instead of being vacuumed it is gas filled, which allows for a smaller arc tube, improving the optical control. The jacket of this double ended lamp is made from quartz glass. Suitable for high-frequency Gavita ballasts, this revolutionary double-ended Sunlight Supply 902925 Gavita Pro 1000 HPS bulb features a tubular, low-profile design that is perfect for Gavita Pro-Line grow light fixtures. You can count on consistent quality and optimized performance from this 1000-watt high pressure sodium lamp.
Expect up to 5,000 hours of outstanding results in your horticultural applications with these grow lights! Delivers an incredible 2100 umol of PPFD in a 2100 Kelvin, warm white color temperature. Do not handle with bare hands; oil from hands may damage the lamp.
Change lamp once a year for optimum results. Install in K12x30s socket types. Light Source: High Pressure Sodium. Light maintenance after 1 year (5000 hours): 95%. Family: Gavita Pro Classic/Gavita Pro E-Series. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Lights & Light Bulbs". The seller is "hydroponicsj" and is located in this country: US.This item can be shipped to United States.