When installing the spectacle kit, how far from the ends of the wire frame should you squeeze in?

Squeezing the spectacle kit 2 inches from the ends of the wire frame is critical for ensuring that the glasses fit well within the SCBA facepiece. This specific distance allows for optimal alignment and positioning of the eyewear so that it does not interfere with the seal of the mask, which is essential for maintaining proper fit and safety when using SCBA equipment. Proper positioning helps prevent gaps that could allow harmful contaminants to enter the breathing area, thus maximizing the effectiveness of the respiratory protection provided by the SCBA.