【Mute Hidden Door】In the interior decoration, it can be used as a hidden door with built-in sealing strip, which is both mute and windproof, providing you with a quiet environment 【Metal Aluminum Access Panel】The wall access door is made of heavy duty aluminium alloy, which is waterproof and rustproof, ensuring wear resistance and long term stability in high temperature or humid environments 【Quick Service Hatch】With a safety lock and key, the access door can be easily opened without dismantling it, even in confined spaces, allowing you to quickly locate and deal with the problem 【Customizable Sizes】If you are a DIY enthusiast, you can contact us to customize exclusive sizes to suit different wall cavities, and installation is simple; just place into pre-drilled holes and fix with screws 【Wide Application】Wall Hole Covers can be used in homes, commercial buildings, industrial premises, hospitals, schools, fire protection and more to facilitate safe maintenance of access, electrical, computer internet, HVAC or security services, Manufacturer: Kanduo