KNAUF Intervention Lid - 300x300 mm is a small, practical and reliable exit solution for 300x300 mm, hanging ceiling and gypsetic wall systems for maintenance and intervention work. Thanks to a solid metal frame and sustainable panel structure, it is longevity and high resistance to deformation. A convenient opening mechanism allows electrical wiring, pipeline lines and other secret communication elements. It is an ideal choice for both new construction and repair projects with a simple installation method and aesthetic appearance with the surface.