T8-EZ3-4FT-18W-50K-C4FT. T8-EZ3 LED TUBE LAMPS, PK 12

T8 LED lamp operates on line voltage with existing electronic ballast or without a ballast; one socket wired to line voltage, or both ends.
Works with most instant start electronic ballasts in North America
Voltage: 120~277V AC input, or 100~347V AC with ballast Heat sink: 6063 extruded aluminum with heat dissipation
ribs for superior thermal management
Beam Spread: 120o
CRI: 80
Base: Fits standard G13 sockets
Rated Life: 50,000 hrs.
Ambient Operating Temperature: -4oF to 104oF
Not dimmable, unless it is used with dimmable electronic
ballast
Lumens per watt : 100LWP with ballast / 115LWP without
ballast
Power consumption is the same when using with or without ballast.
Lumens per watt : 100LWP with ballast / 115LWP without