The Co2/Erbium Filter is a laser safety lens made of a clear CR39 Polycarbonate filter. It is cut and mounted into the model 300 which features extendable temple bars to give you that perfect fit.
OD>7+ from 190-340nm
OD>7+ from 2760-3470nm
OD>7+ from 5000-11000nm
VLT = 85%
