Multiwave YAG Harmonics Alexandrite Diode - Model 206 Model 206 frame. This frame utilizes the ever popular wrap style. It is solid, sturdy, yet very comfortable. The 206 frame is somewhat narrow fitting frame so is a good fit for smaller heads. The Multiwave YAG Harmonics Alexandrite DiodeLaser filters will protect the eyes within the wavelength ranges listed below. OD>5+ from 190-534nm OD>5+ from 730-1090nm OD>7+ from 1064nm VLT = 10.6% Laser Specifications Multiwave YAG, Harmonics, Alexandrite Diode Polycarbonate Filter