Feature:1. [Reinforced Design] The access panel features buckle style reinforced right angle design, using direct connector pieces for reinforcement at the joints, the structure is more stable.2. [High Strength] Made with high strength gypsum board and thickened aluminum frame, this access door ensures durability, longevity, and robust performance.3. [Versatile Ventilation Interface] This gypsum board access panel can act as a ventilation interface both indoors and outdoors, meeting various requirements.4. [Wide Application] The gypsum board access door is ideal for various settings such as office buildings, shopping malls, clubs, hotels, hallways, kitchens, and more.5. [Concealed Design] Adopting concealed installation method, this ceiling access panel delivers functional performances while maintaining an aesthetically pleasing appearance.Specification:Item Type: Access PanelMaterial: Aluminum Alloy, Gypsum.Package List:1 x Gypsum Board1 x Frame