【10 years trouble-free】automatic door closer super alloy never Rust Punch-free adjustable speed ultra-quiet automatic hydraulic buffer（door for screen closer whole set Stainless Steel self-closing pneumatic Door Closer Automatic Hinge heavy duty）

【100 years service life】YRY automatic door hydraulic door closer 100KG 180° open super alloy never Rust Pneumatic automatic Door Closer Pneumatic Door Closer screen door closer tube type door closer hydraulic door closer Door Closer Door Stop Closer✨Features✨Suitable for Door Weight: 25-85 KGDIY Supplies: Door, Home, SchoolThe speed of closing and locking can be adjustedMainly for Rion door, stainless steel door, fire doorTwo speed settings, strongly includedSuitable for doors in wood and glass with metal frames and wooden frameAn open with a smooth motion, opening discrete optionThe closing speed and function of memory, speed adjustable, British Colombia optional functionAluminum extremely resistant with the painting of money or many colorsDifferent methods of installation to power different size to closeOil and sealed German rings machine hydraulics for holding work perfect in refrigerationTested To 1'000'000 Operating CyclesAdjustable Speed And Latch RegulatorsAdjustable Closing/Latching SpeedSuitable for Left and Right Hand Doors