【Function】For families who often forget to close the sliding glass door, no longer worry about the door opening. Our sliding door closers can help you have more time to relax and enjoy a comfortable home. 【Energy Saving】The pneumatic door is closed, no need to worry about oil leakage, aluminum pipe body, solid and durable. Keeping “high flow” sliding doors closed can greatly reduce energy consumption. 【Adjustable Sliding Speed】The pneumatic door closure device using pneumatic door closure technology can adjust the closing speed to prevent injury, adjust the two-stage adjustment, adjust clockwise to reduce the speed, counterclockwise to increase the speed. 【Humanistic Design】Use pneumatic door closing technology, use the resistance generated when closing the door, and slowly close the door in the last part to avoid increasing the force of opening the door, such as hydraulic door closer, high-strength springs, long service life 【Applicable Door Type】Door Width 0.75-1.3 meters/29.5-51 inches can be used - Lightweight/Maximum Tension Force is 66 lbs/Screen Door, Thin Wood Door, Thin Aluminum Frame Door, etc.; Gravity/Maximum Tension Force is 154 lbs/Used for general wooden doors, warehouse doors, conventional aluminum frame glass doors, etc., Manufacturer: TsoLay