NoIR DI4 Filter for Low Level Laser Therapy (625-850nm, 633nm, 662-835nm) Frame:Frame #53 Large ratchet handle is easy

Large ratchet handle is easy to adjust

then expand within the ear canal for a comfortable

Hi-Def Yellow - Best for enhancing contrast and light in low light applications

Closed cell Polyurethane foam seal

NoIR DI4 Filter for Low Level Laser Therapy (625-850nm, 633nm, 662-835nm) Frame:Frame #53 Large ratchet handle is easyNoIR Laser Safety Glasses are the product of engineering innovation and tight manufacturing tolerances, providing an optimal balance between protection and visibility. Available in universal styles, with one to fit nearly every face, whether over prescription glasses or not. Polycarbonate laser glasses are lightweight, economical, and offer excellent protection from lasers. NoIR's polycarbonate lenses are extremely durable and scratch resistant. OD