Description:  The Avantco 178CARTRIDGE is a heavy-duty, spring-loaded hinge component designed to ensure commercial refrigerator and freezer doors close automatically and seal tightly. Features: Automatic Self-Closing: Equipped with an internal high-tension spring that pulls the door shut, preventing energy loss and food spoilage. Smooth Pivot Action: Acts as the primary rotational joint, providing a consistent “swing” without grinding or…