Wide compatibility of pneumatic screen door closer: storm door stopper are compatible with lightweight to standard outward-opening doors, including storm door, wooden door, metal door, and screen door. Adjustable：The strength of the door closer can be freely adjusted, silent and noiseless, cushioning the closing door, the right strength is very good to protect the screen door and storm door. Easy Installation: All installation hardware is included, no additional parts need to be ordered or added. Installation can be completed in 10 minutes, replacing the old door closer,Well-reputed door closer replacement.Comes with seasonal latching adjustment option to switch between a glass or screen insert. Higher Quality：Crafted from industrial-grade steel, the pneumatic door closer features a telescopic rod that resists deformation and bending under external force. Its surface is treated with a high-quality anti-rust coating, preventing corrosion from rain and moisture. Additionally, it remains fully functional even in cold winter conditions. QD-H-D