MUST be directly wired to the 120V AC Power: Disconnect Ballast & Starter if there is any! Installation Manual is attached as the 2nd photo at the left upper corner of this product page! ***DON'T BUY UNLESS YOU UNDERSTAND THIS!***
Instant-On Cool White 4000K to replace 120V standard 22" F14T5 CFLs
Rotatable: light forwarding angle can be adjusted by +-90 degrees to fit any light fixture!
Actual overall length 22.17" including pins
GREEN ECO FRIENDLY + SIGNIFICANT ENERGY SAVING + LONG LIFETIME: no flickering, no UV light, no buzzing ballast, no hazardous materials + Saving ~50% electricity + Lifetime > 50,000hrs & 3-Year Warranty.