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We are excited to announce that our LED T8 replacement lamps are among the first to meet the new UL OOI  and CSA TIL B-79 ", the sales Manager ofLongtech. "This demonstrates our long-term commitment in supporting industry standard towards reliable and safe LED T8 replacement lamps for the market. The original effective date of 1598C was to be July of this year but has since been moved to February of 2013, so as to give companies with 1598B compliant LED T8 lamps more time to upgrade their lamps in accordance to UL's new standard. Longtech T8 LED tubes, are available in 2-ft, 3-ft, 4-ft and 5-ft, 6-ft, 8-ft and LED U bend tube, and in Kelvin temperatures of 3000K, 3500K, 4100K, 4500K, 5000K, 5500K, and 6000K, available in 110V or 277V. 0086-15920065243 Please visit www.ledtube5.com or email lilykly@hotmail.com for more information. About Longtech: Longtech LED Lighting is a business unit of Light Technologies, Inc. chartered to bring customers the most sensible LED lighting solutions for efficient energy use and participating in preserving non-renewable energy. With innovative and experienced engineering team, Longtech provides high quality products with customer service at heart.