... cover , we only made 6W,9W,10W,15W,18W,24W , PCB led base board3.available in frost cover , we only made ... ,24WDetailed features:1. There is No harsh glare, directly replacement for Traditional Fluorescent T8.2. Integrated thermal management system.3. Longlife ... time more than 50, 000 hours under narmal use, especially for officelighting.4. Optimized light extraction system delivery high lumens.5 ...