A drying module for drying containers, comprising: a tunnel inside which the containers move forwards along an advancement trajectory; conveying means for conveying the containers inside the tunnel; a first row of tubular elements arranged inside the tunnel, each tubular element of the first row extending along a corresponding prevalent direction (A-A) and having an opening to dispense air on the containers in transit in the tunnel, one or more of said tubular elements of the first row being telescopic so as to have an adjustable length according to the corresponding prevalent direction (A-A); a second row of tubular elements arranged inside the tunnel, each tubular element of the second row extending along a corresponding prevalent direction (B-B) and having an opening to dispense air onto the containers in transit in the tunnel, one or more of said tubular elements of the second row being telescopic so as to have an adjustable length according to the corresponding prevalent direction (B-B), said first row and said second row being arranged on sides opposite the advancement trajectory of the containers inside the tunnel; an air supply system comprising: - at least one blower; - a first conduit from which the tubular elements of the first row branch off; - a second conduit from which the tubular elements of the second row branch off, said first conduit and said second conduit being parallel to one another and in fluid communication with the blower, characterized in that the tubular elements (4, 14) are rotatably fitted to the corresponding conduits (6, 16) so that it is possible to singly vary the inclination thereof. a tunnel inside which the containers move forwards along an advancement trajectory; conveying means for conveying the containers inside the tunnel; a first row of tubular elements arranged inside the tunnel, each tubular element of the first row extending along a corresponding prevalent direction (A-A) and having an opening to dispense air on the containers in transit in the tunnel, one or more of said tubular elements of the first row being telescopic so as to have an adjustable length according to the corresponding prevalent direction (A-A); a second row of tubular elements arranged inside the tunnel, each tubular element of the second row extending along a corresponding prevalent direction (B-B) and having an opening to dispense air onto the containers in transit in the tunnel, one or more of said tubular elements of the second row being telescopic so as to have an adjustable length according to the corresponding prevalent direction (B-B), said first row and said second row being arranged on sides opposite the advancement trajectory of the containers inside the tunnel; an air supply system comprising: - at least one blower; - a first conduit from which the tubular elements of the first row branch off; - a second conduit from which the tubular elements of the second row branch off, said first conduit and said second conduit being parallel to one another and in fluid communication with the blower, - at least one blower; - a first conduit from which the tubular elements of the first row branch off; - a second conduit from which the tubular elements of the second row branch off, said first conduit and said second conduit being parallel to one another and in fluid communication with the blower, characterized in that the tubular elements (4, 14) are rotatably fitted to the corresponding conduits (6, 16) so that it is possible to singly vary the inclination thereof.