The T8-6FT (1.8M) is an industry-leading 26W LED Tube (Type B) replacement lamp producing 130 Lm/W.
TYPE B , Simplest Total System direct wiring to mains, BY PASS Ballast ,Uses no external driver or ballast. AC 100-277 V.
It has Clear Glass Lens for even light transmission and to prevent discoloration. 
Designed with aluminum backing for maximum heat dissipation,G13 2 pin socket
Suitable for replacing 4-FT linear fluorescent lamps in commercial and industrial locations: general indoor, lobbies, offices, meeting rooms, restrooms, hallways, hallways, workstations, warehouses, manufacturing, packaging, parking garages, and covered decks.