Adjustable Door Closer, Silent Hydraulic Action, Durable Cast Aluminum, Ideal For Hotels Offices

Silent Switch: This door closer adopts hydraulic buffer technology, hydraulic silent, silent switch, with accessories, easy to install. Preferable Material: This hydraulic door closer is made of cast aluminum, which is strong and stable, wear and durable. Adjustable Speed: The closing speed of this adjustable hydraulic door closer can be adjusted freely to meet different needs.