A door closer is a mechanical or automatic device that closes a door, in general after someone opens it, or after it was automatically opened.
The 9131-STD BENCHMARK by LCN is an electrically powered low-energy operator. It provides easy access for people with disabilities, the elderly or the frail. Designed primarily for automatic opening applications that occasionally require manual opening. The BENCHMARK is a cost-effective solution for retrofitting an activated or manual door. Learn More$1,943.78