LED Tube Replaces a 4 ft tube WITHOUT removing the ballast. Nearly Zero installation labor. Perfect for commercial business office spaces, garages Hospitals or warehouse environments. We have the BEST prices for this product! Plug and Play design. For pricing and more info call (865) 219-2611 today! Fits in anywhere a 4 foot T8 or T12 will fit including Troffers. You must use a certain kind of LED tube for the type of installation explained in this video (all LED tubes are NOT created this way). If you have a commercial lighting need… Apogee LED has the smartest solution! Need New LED Fixtures? We have them too INCLUDING Fluorescent Tube (ballast bypass) LED retrofits in both 4 feet and 8 feet lengths! Products are also excellent for Stairwells, emergency Exit Stairwells, Grocery Stores and hotels. We have the BEST price for this item! For more info call (865) 219-2611 now! Our corporate office services All of Tennessee including Knoxville, The United States of America, and the entire world, so if you have a need… call or email us today!