Invisible Door Closer, Hidden Automatic Closing Device with Spring and Hydraulic Buffer for Household Interior Doors(Left Open)

Product Name: closed-door bufferProduct material: zinc alloyProduct color: SilverInstallation direction: Install in the left or right directionApplicable door weight: 20-40kgApplicable door width: less than 900MMApplicable door thickness: 33-60MMManual size: Allow 1-3MM error==========High-concerned chemical : NoneMaterial : Zinc AlloyType : Door Closers

• Completely Hidden Installation
• Installs discreetly within the door frame, remaining invisible when closed. This concealed design maintains clean lines and preserves your interior's aesthetic appearance.
• Smooth Hydraulic Buffer System
• Features a hydraulic mechanism that creates quiet, controlled closing motion. This system helps prevent sudden impacts at the end of the closing cycle for quieter operation.
• Reliable Spring Mechanism
• Utilizes a consistent spring system that provides dependable automatic closing action. This mechanism helps ensure doors close completely after each use.
• Automatic Closing Function
• Provides consistent door closure without manual intervention. This helps maintain room privacy and can assist with interior climate management in living spaces.
• Household Application
• Suitable for various interior doors in residential settings. The discreet design works with different door styles while providing reliable closing performance.