Item:ES025 productname: T9 Circline Lamps Description -Advanced Electronic Ballast - combined with an integral electronic ballast provides instant on / flicker-free start -Long Life Up to 8,000/10,000 hours longer life than than incandescent bulb. 1 year guarantee -Lasts up 7 years,based on 3.5 hours maximum usage per day. -Energy Efficient Save up to 75% in energy costs Phosphors Powder enhance lumen efficacy and color rendering High light output -Applications Ideal for: -Table Lamps -Floorlamps -Ceiling fixtures