***Overall Length 17-7/8" Including Pins***: If your old bulb is measured as 17-5/8" to 17-3/4" including pins, please buy our 17-3/4" version instead. This bulb was designed to replace F15T8 bulbs with an overall length >=17-7/8".
***This Is Not a Plug-and-Play Type***: You must disconnect ballast and do fixture rewiring if you had fluorescent bulb in your fixture. The installation manual is attached as the 2nd photo at the left upper corner of this product page. Please review it before buying.
Instant-On Daylight White 6000K: Very bright and comfortable!
GREEN ECO FRIENDLY + SIGNIFICANT ENERGY SAVING: no flickering, no UV light, no buzzing ballast, no hazardous materials + Saving ~50% electricity
Lifetime>50,000hrs; 3-Year Warranty