UniV8™ is the ultimate T8 retrofit solution. This universal lamp can be installed in fixtures with or without a ballast, making it ideal for retrofit applications where fluorescent systems are being upgraded to save energy and maintenance costs. Customers can elect to utilize the existing ballast with no rewiring, or install directly without a ballast. UniV8™ is available in two wattages and four color temperatures. Packaged 20 bulbs to a case.