Paragraph 3 I1

be an arrow in the colour corresponding to the energy efficiency class of the product on the label;

indicate the energy efficiency class of the product on the arrow in 100% white, Calibri Bold and in a font size equivalent to that of the price;

have the range of available energy efficiency classes in 100% black;

be of such a size that the arrow is clearly visible and legible, and in one of the following two formats shown in Figure 4; and

position the letter in the energy efficiency class arrow in the centre of the rectangular part of the arrow, with a visible border in 100% black placed around the arrow and the letter of the energy efficiency class.