AUTOMATIC CLOSURE - The freezer door will be tightly closed within 3 seconds after closing, under the action of the powerful hydraulic cylinders of this walkin cooler door closer, no longer worried about air conditioning leakage. SAFE OPERATION WITH MUTE EFFECT - The black rubber wheel of the freezer door closer is made of natural rubber, strong and elastic, which provides your freezer door protection, and also posses of a powerful mute effect. LONG SERVICE LIFE - This walk-in freezer door closer is made of 304 stainless steel material, wearproof and easy to clean, which adopt hydraulic core with more than 500,000 times operation service life. EASY INSTALLATION - The installation for the hydraulic cooler door closer just needs a couple of minutes, the door closer is also a good replacement part for your refrigerator. WIDELY APPLICATION - The cooler door closers are mainly applied to walk-in freezer door, but commercial freezers and containers are also available.