365AA Heavy-Duty Surface Mounted Automatic Door Bottom Length:48" it can be operated from

it can be operated from the building exterior by a standard rim cylinder

minimizes the chance for marring the door or frame

MA581B-QN-622

Plug-in connector and trim enhancer included

Heavy-Duty Grade-1

365AA Heavy-Duty Surface Mounted Automatic Door Bottom Length:48" it can be operated fromThe patented automatic door bottom technology from Zero ensures an efficient seal against the floor or saddle. As the door is closed, the adjustable plunger is compressed against the door frame, activating a concealed flat spring mechanism. Zero door bottoms are designed to block penetration by air, sound, smoke, and flames. AA = Anodized aluminum Neoprene and Zero Quiet Seal Fire rated UL10C Sound rated for acoustic door systems Air infiltration