Vestil Steel Machine Rollers Capacity:2000lbs These Heavy Duty Air Curtains

These Heavy Duty Air Curtains can be used above entry doors and industrial warehouse doors to prevent loss of cool air and maintain a clean environment

To disengage Autoloc® simply repeat steps 3 & 4

Two adjustable floor locks are also included

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Vestil Steel Machine Rollers Capacity:2000lbs These Heavy Duty Air CurtainsMade of high strength annealed ductile iron, these Steel Machine Rollers have swivel tops that rotate 360 degrees on chrome steel ball bearings to allow for easier turning. The rollers form a "tank track" to revolve around a center load bearing plate in the frame to provide maximum maneuverability. The weight of the load is transferred directly from the load bearing plate to the rollers, eliminating axle friction and requiring less power to start and