Back to all products Share this page PDF version 3" Die-Cast Louvered Bottom Trim 3" die cast louvered trim. For use with MR16 lamps with GU5.3 Bi-Pin, GU10, or PSA37. Jump to Section Overview Resources Catalog Numbers Compatible PRODUCT IMAGE Diecast ring with powder coat paint finish. Louvered. O.D.: 4 5/16". Resources & Downloads Specifications Specifications Other Alpine™ System Presentation Product SKU Catalog Number Finish EL2633B All Black