Patent Design by Simon Lee - Professional Engineer for lighting industry for over 30 years. Great idea for upgrade customer's T5 Fluorescent light system to LED lighting system. No need more wire diagram and job for the upgrade, just directly replace! Dimentions: 20.9" Length (with pin), 20" Length (without pin) x 5/8" Diameter

• Direct Replace 21'' T5 13W tubes from your T5 Under-Cabinet Lights to get over 50% light and energy saving
• Alum Body and Milky PC cover provide great 900 Lumen 4000K Cool lights
• Long life up to 50,000 hours and much cooller opetation than regular Fluo.system
• Upgrade your Under-cabinet lights system from 13W to 7W w/o any extra job, just replace the tube directly
• UL Listed and safety shipping in brown hard paper tube.

Direct Replace 21'' T5 13W tubes from your T5 Under-Cabinet Lights to get over 50% light and energy savingDuroPower Lighting