Following Details of EN Adjustable Door Closer 9000 :

Closing force is adjustable
Aluminium die casting crust body
Special for decoration
Dual valves: Closing&latching speed adjusted by two seperate valves
Back check & delay function are available
Available in silver, gold, bronze, white, and relative cover

1 million life cycles, 5 years Guarantee.
only adopt Germany FUCHS professional hydraulic fluid in China.