Die-Cast aluminium round bulkhead with domed opal, UV stabilized non-discolouring high-impact acrylic diffuser. A silicone sponge gasket is fitted into a special groove in the diffuser to prevent damage and to achieve the certified ingress protection rating of IP65. The trim ring casting is secured onto the base casting by stainless steel M5 Allen head screws, located outside the lamp compartment. The fixing holes come standard with stainless steel helicoil inserts.
Interchangeable LED chips for easy maintenance.