Always consult your on-site Laser Safety Officer (LSO) for specific guidance. Required optical density (OD) and laser safety personal protective equipment (PPE) are determined based on worst-case scenarios and require professional judgment. All laser safety equipment provided is intended for diffused beam viewing only.
I would recommend our 410 window, for that size the SKU number is 100-410-002 - its $259.00. Yes it can ship to Canada. For more information, please feel free to give us a call at 952-405-6947.