Lalizas 71327 Instructions Of Use page 8

d) Face mask:
In order to fit the Full face Mask, you have to follow the steps as below:
I. Fully extend the face piece straps (Figure 17).
II. Place the lower strap over your head (Figure 17).
III. Pull the head-net on top of the face piece (Figure 18).
IV. Insert the face piece on your face to fit the sealing edge and use the head net loop to place the head-net over the head (Figure 19).
V. Tighten the side straps to achieve a tight and comfortable fit. Notice: DO NOT over tight as this can distort the face seal (Figure 20).
VI. Breathe freely.
Figure 17
Extend the rubber straps and place
the lower strap over your head.
Figure 19
Insert the face piece on your face to fit the sealing edge
and use the head net loop to place the head-net over the head
Figure 20 Tighten the side straps
Figure 18
Pull the head-net on top of the face piece.