A TLED solution for your application Minimizes overall lighting costs;Offers cheapest and easiest upgrade to LED lighting technology;Excellent compatibility with existing ballasts Our TLEDs are available in InstantFit (Type A / Type C) or MainsFit (Ballast bypass / Type B) versions. The InstantFit lamps work on a broad variety of ballasts and LED drivers. Only InstantFit has over 15,000 lamp & ballast combinations delivering even light output, energy savings and a long lifetime. Our MainsFit products feature a double-ended design, simplifying installation while a proprietary safety circuit minimizes a shock risk. Lamp sizes range from 2-foot to 8-foot and U-bend with a variety of lumen outputs. InstantFit works with over 350 ballasts and drivers;Lifetime of up to 70,000 hours & a limited warranty of up to 7-years;Plug-and-play, ballast bypass or UL Type C options available;Shatter-resistant, polycarbonate tubes avialable;All T8 replacement TLEDs are NSF certified and most are DLC certified;Most lamps are DLC 5.0. See individual specs for details Office and Shopping;Industrial and warehouses;Parking lots and covered car parks