Heavy Duty Automatic Door Closer 25 85kg Spring Hydraulic Buffer Metal Concealed Gate Adjustable Speed Mute Closing1pcs(25 45KG)

【Wide 25-85kg Weight Capacity】Advanced spring mechanism supports doors from 25kg to 85kg, making it suitable for various applications from standard interior doors to heavy security and commercial entrance doors. 【Spring Hydraulic Buffer System】Innovative of spring power and hydraulic damping ensures smooth, controlled closing action. Completely eliminates door slamming while providing reliable automatic closure. 【Concealed Metal Construction】Premium metal housing offers superior durability while maintaining discreet installation. The hidden design preserves aesthetic appeal without compromising on performance. 【Fully Adjustable Speed Control】Easy-to-adjust allow precise customization of closing speed and latching force. Simple screw adjustment enables tuning for your specific door requirements. 【Ultra-Quiet Operation】Specially engineered mute technology ensures whisper-quiet performance. Ideal for residential areas, offices, hospitals, and environments where noise reduction is essential.