Clean Lines, Bold Finish The CSC LED SDL Downlight Trim in 4" Black (SDL-TR-4R-BK) is the finishing touch your recessed lighting deserves. Designed to deliver a sleek, modern aesthetic, this trim ring pairs seamlessly with SDL-series downlight modules to create a polished, professional look in any space. Versatile Design for Any Interior Whether you're outfitting a residential living room, a boutique retail space, or a commercial office, the matte black finish adds a touch of sophistication that complements both contemporary and transitional interiors. The 4" round format is one of the most popular sizes in North American construction, making it an easy fit for new builds and retrofits alike. Built for the SDL Ecosystem This trim is engineered specifically for the CSC LED SDL downlight platform, ensuring a secure, rattle-free fit and a flush ceiling appearance. Installation is straightforward — no special tools required — making it a favourite among electricians and lighting designers across Canada.