Super Bright: ONLYLUX T8 Led Bulbs 4 foot use a double row led chips with a total lumen of 4000 lumens.
ETL Listed: ONLYLUX t12 led 4ft have been tested and listed by the ETL.
Long Lasting: ONLYLUX 4ft led light bulbs are made of aluminum. Better heat dissipation, better safety and reliability.
Easy Installation: ONLYLUX 4ft fluorescent tube led replacement, just remove or bypass the starter and ballast before installation, designed for replacement of traditional T8, T10 and T12.
Customer Service- Easy and fast replacement is offered if any quality issue.