Fulight LED F15T8 Tube Light - Full 18" 1.5FT 7W (15W Equivalent) - Daylight 6000K, Double-End Powered, Frosted Cover- 85/265VAC ****Ensure to Read This**** Overall length full 18" (457mm) including pins: Usually replaces bulb with overall length from 17-7/8" to full 18"! ** Please measure the receptacle length of your fixture to confirm fitness before buying** If your old bulb is 17-5/8" to 17-3/4", please buy from: http://www.amazon.com/dp/B00WLLHWBQ Instant-On Daylight White 6000K: Very bright and comfortable! Fixture Rewiring is Easy but REQUIRED: No more electronic ballast! **Installation Manual attached as the 2nd photo at the left upper corner of this product page!** GREEN ECO FRIENDLY + SIGNIFICANT ENERGY SAVING: no flickering, no UV light, no buzzing ballast, no hazardous materials + Saving ~50% electricity Lifetime&gt;50,000hrs; 3-Year Warranty