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LCN 3131 Concealed Door Closer, Size 1 for ADA applications. Right Handed with HOLD OPTIONLCN 3130 Series: Single acting Cast iron cylinder and standard arm concealed in top rail of door. Concealed track in head frame.Door Thickness: 1 3/4(44 mm) minimum...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...

The concealed 3131 Series is perfectly designed to mount in a 1-3/4" wide interior door. The single lever arm and roller assembly of this door closer provides the complete concealment and the choice of finishes and track functions meet virtually all...