500,000 Cycles In Endurance Are Guaranteed, 5 Years Warrant. 稶niversal Mounting Application: Standard, Top-Jamb, Parallel Arm & Sliding Arm Installations 稰ower Size Range:1~4 In Various Closer Body. 稡uilt-In HOLD Open. Fuction 稵wo Separate Valves For Close & Latch Speed Adjustment. 稯ptional Back Check Function. 稯ptional Delay Action Fuction 稨igh Quality Hydraulic Fluid, Low Freezing-point, 稤oor Closer Operates Smoothly Form Temperature Of -30℃ To 40℃. Feature: 稤ecorative Panel Can Match The Main Door According To The Requests. Dual Valve, Closing And Latching Speed Controlled By Two Separate Regulating Valves. 稲einforced Type Adjustable Tube Arm or Parallel Arm Bracket And Slider Arm 稲ack and Pinion Operation Contained in a High Tensile Precision Cast aluminum Housing For The Highest Quality. 稨igh Quality Hydraulic Fluid for High Lubricity and Constant lubrication. 稯ptional Back Check, Controlled by Separate Regulating Value. 稦inish Selection:Silver(Alum), Bronze(Duro),Gold. Any Other Finishes Is available Upon Reques