12 Pack, 4FT LED T8 Type A+B Tube Lights, 28W(80W Equivalent), 4000LM, 6000K, Clear Cover, Single or Double End Powered, Plug and Play or Ballast Bypass, 4 Foot T10 T12 Fluorescent Bulbs Replacement

?PLUG & PLAY OR BALLAST BYPASS?- TOPTRONED T8 4Foot Type A+B LED light bulbs can be installed with a ballast( Plug & Play) or without a ballast (BALLAST BYPASS), making LED conversion fast, simple and secure. Check ballast list for compatibility.(Note: Our 4 foot t8 led bulbs don't compatible with dimming ballast, please do not use it with our lights.) ?SINGLE OR DOUBLE END POWERED?- TOPTRONED 48inch LED bulbs are made for installation with a single-ended or double-ended connection. You can install this tubes directly into your fixture’s original sockets (tombstones), and will not need to retrofit your fixture, faster for install. ?BRIGHT, ENERGY SAVING?- TOPTRONED 3 row 4ft T8 LED tube can illuminate your space with 4500+ lumens. Instantly economize 63% on your electricity bill when you replace 65watt old fluorescent tubes with high output 24watt 4ft LED light bulbs. ?LONG LASTING?- TOPTRONED shatterproof 4ft T8 LED tube lights have an outstanding life rating of 50,000+ hours! These 4ft led lights can last 20+ years depending on use, eliminating maintenance costs and reducing relamp frequency. You can use these in your shop, garage, workshop, office, basement, indoor, outdoor, or anywhere in your home requiring t8 LED lamps.