Door closers are mechanical or hydraulic devices that automatically and safely shut doors after they have been opened. They are essential for maintaining building security, fire safety, and energy efficiency in both residential and commercial settings. Popular Hydraulic Closers Hydraulic models are the most common, using fluid-filled pistons to ensure a controlled, quiet closing action. Building And Interiors Building And Interiors godrej locks Godrej Hercules Door Closer Wooden Aluminum & Metal Doors godrej locks Godrej Hercules Door Closer Wooden Aluminum & Metal Doors Features: Features a reliable steel rack and pinion mechanism with thermostatic hydraulic fluid that works in temperatures from -10°C to +50°C. Performance: Tested for 1 lakh (100, 000) cycles and supports doors up to 60 kg (Size 2) or 85 kg (Size 3). Reviews: Reviewers on Amazon.in highlight its "no oil leakage" guarantee and precise operation