LED Retrofit Kits and LED Corn Cob Lights easily convert traditional HID technology to LED, without the need to purchase an additional fixture. That’s more savings for your client AND your wallet. These options are easy to install and are backed by a 3- to 5-year warranty. And, to make sure they perform as promised, they’re cULus Listed. Contact Us: if you have any questions or need help with finding the best retrofit kit to fit your needs. And don't forget to join our free loyalty program, e-cono+, to save 10%* on every order. Yes, every order.