Rigid, without snap ring, IP55 V4A stainless steel, for 35 mm diameter light source. Indoor and outdoor use. Also suitable for installation in concrete ceilings and other thermally difficult installation situations, as well as for use in damp rooms and areas with sea air. Housing and cover ring made of V4A stainless steel. Light source can be changed by removing the inner ring (clip closure). Hardened clear glass. Protection class IP55 when installed in closed ceilings. Not including light source. Ceiling cutout 45 mm, external diameter 63 mm.