This Optrel Crystal 2.0 helmet is specifically designed for the E3000X PAPR system. This helmet comes with the proper connection at the crown of the helmet allowing you to connect the E3000X PAPR hose.
It seems like every few years, Optrel completely changes the standard for auto darkening welding helmets. The Optrel Crystal 2.0 Welding Helmet (1006.900) changes everything. Forever. With light transmission of 31% in bright condition (protection level 2!) you will have a practically unclouded and clear view of your working environment. This, in combination with the almost perfect color spectrum of the CLT2.0 lens, allows you to see what is really going on in the weld pool, and with a clarity like you've never experienced.