SSC4ES Indoor Cylinder is an ultra-clean engineered cylinder without visible seams or fasteners designed with marine grade, corrosion resistant, solid aluminum extrusion, high pressure die-cast aluminum components with a 4.5" diameter. This indoor cylinder is designed with light weight materials and a wide range of finishes in cord and surface mounts with a twist-lock canopy for easy install. Ideal for high-rise buildings, apartments, condos and assisted living at an economical price. Standard polyester powder coat finishes include black, bronze, silver and white with custom or RAL colors also available.