Troffer Fixture Retrofit Kit, Dimmable, Fixture Length: 21 in, Litetronics, Mfr#: RFM3T240A

LED Magnetic Retrofit Kit, Lumens 3,140 lm, 3,925 lm, 4,700 lm, Lumens Range 4,000 to 5,999 lm, Light Technology LED, 120/277V AC, Lighting Certification DesignLights Consortium (DLC), Dimmable Yes, Emergency Battery Backup No, For Bulb Type Integrated LED, Overall Height 1 7/8 in, Overall Length 21 in, Overall Width 14 7/8 in, Color Rendering Index 82, Color Temperature 4000K, Dimming Method 0-10V